Home / 256,085,796.75-353,398,416.81-140,192,292.75

Finding the Fourth Proportional to 256,085,796.75, 353,398,416.81 and 140,192,292.75

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Solution

The fourth proportional to 256,085,796.75, 353,398,416.81 and 140,192,292.75 is: 193,465,373.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,085,796.75 : 353,398,416.81 = 140,192,292.75 : x
  2. Step 2: Convert to fraction form
    256,085,796.75/353,398,416.81 = 140,192,292.75/x
  3. Step 3: Cross multiply
    256,085,796.75x = 353,398,416.81 × 140,192,292.75
  4. Step 4: Simplify right side
    256,085,796.75x = 49,543,734,306,814,040
  5. Step 5: Solve for x
    x = 49,543,734,306,814,040/256,085,796.75
  6. Step 6: Final answer
    x = 193,465,373.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.