Home / 291,920.45-402,781.51-177,196.27

Finding the Fourth Proportional to 291,920.45, 402,781.51 and 177,196.27

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Solution

The fourth proportional to 291,920.45, 402,781.51 and 177,196.27 is: 244,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,920.45 : 402,781.51 = 177,196.27 : x
  2. Step 2: Convert to fraction form
    291,920.45/402,781.51 = 177,196.27/x
  3. Step 3: Cross multiply
    291,920.45x = 402,781.51 × 177,196.27
  4. Step 4: Simplify right side
    291,920.45x = 71,371,381,196.97
  5. Step 5: Solve for x
    x = 71,371,381,196.97/291,920.45
  6. Step 6: Final answer
    x = 244,489.14

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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.