Home / 393,917.46-590,877.15-157,279.38

Finding the Fourth Proportional to 393,917.46, 590,877.15 and 157,279.38

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Solution

The fourth proportional to 393,917.46, 590,877.15 and 157,279.38 is: 235,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,917.46 : 590,877.15 = 157,279.38 : x
  2. Step 2: Convert to fraction form
    393,917.46/590,877.15 = 157,279.38/x
  3. Step 3: Cross multiply
    393,917.46x = 590,877.15 × 157,279.38
  4. Step 4: Simplify right side
    393,917.46x = 92,932,791,808.17
  5. Step 5: Solve for x
    x = 92,932,791,808.17/393,917.46
  6. Step 6: Final answer
    x = 235,919.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.