Home / 256,288.75-353,677.07-141,575.28

Finding the Fourth Proportional to 256,288.75, 353,677.07 and 141,575.28

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Solution

The fourth proportional to 256,288.75, 353,677.07 and 141,575.28 is: 195,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,288.75 : 353,677.07 = 141,575.28 : x
  2. Step 2: Convert to fraction form
    256,288.75/353,677.07 = 141,575.28/x
  3. Step 3: Cross multiply
    256,288.75x = 353,677.07 × 141,575.28
  4. Step 4: Simplify right side
    256,288.75x = 50,071,930,391.15
  5. Step 5: Solve for x
    x = 50,071,930,391.15/256,288.75
  6. Step 6: Final answer
    x = 195,373.11

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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.