Home / 283,724.00-391,541.75-156,404.15

Finding the Fourth Proportional to 283,724.00, 391,541.75 and 156,404.15

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Solution

The fourth proportional to 283,724.00, 391,541.75 and 156,404.15 is: 215,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,724.00 : 391,541.75 = 156,404.15 : x
  2. Step 2: Convert to fraction form
    283,724.00/391,541.75 = 156,404.15/x
  3. Step 3: Cross multiply
    283,724.00x = 391,541.75 × 156,404.15
  4. Step 4: Simplify right side
    283,724.00x = 61,238,751,858.53
  5. Step 5: Solve for x
    x = 61,238,751,858.53/283,724.00
  6. Step 6: Final answer
    x = 215,839.17

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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.