Home / 256,302.17-353,625.97-147,400.57

Finding the Fourth Proportional to 256,302.17, 353,625.97 and 147,400.57

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Solution

The fourth proportional to 256,302.17, 353,625.97 and 147,400.57 is: 203,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,302.17 : 353,625.97 = 147,400.57 : x
  2. Step 2: Convert to fraction form
    256,302.17/353,625.97 = 147,400.57/x
  3. Step 3: Cross multiply
    256,302.17x = 353,625.97 × 147,400.57
  4. Step 4: Simplify right side
    256,302.17x = 52,124,667,039.67
  5. Step 5: Solve for x
    x = 52,124,667,039.67/256,302.17
  6. Step 6: Final answer
    x = 203,371.93

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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.