Home / 157,508.96-236,194.12-57,643.20

Finding the Fourth Proportional to 157,508.96, 236,194.12 and 57,643.20

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Solution

The fourth proportional to 157,508.96, 236,194.12 and 57,643.20 is: 86,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,508.96 : 236,194.12 = 57,643.20 : x
  2. Step 2: Convert to fraction form
    157,508.96/236,194.12 = 57,643.20/x
  3. Step 3: Cross multiply
    157,508.96x = 236,194.12 × 57,643.20
  4. Step 4: Simplify right side
    157,508.96x = 13,614,984,897.98
  5. Step 5: Solve for x
    x = 13,614,984,897.98/157,508.96
  6. Step 6: Final answer
    x = 86,439.43

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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.