Home / 157,818.36-236,728.17-39,489.36

Finding the Fourth Proportional to 157,818.36, 236,728.17 and 39,489.36

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Solution

The fourth proportional to 157,818.36, 236,728.17 and 39,489.36 is: 59,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,818.36 : 236,728.17 = 39,489.36 : x
  2. Step 2: Convert to fraction form
    157,818.36/236,728.17 = 39,489.36/x
  3. Step 3: Cross multiply
    157,818.36x = 236,728.17 × 39,489.36
  4. Step 4: Simplify right side
    157,818.36x = 9,348,243,927.27
  5. Step 5: Solve for x
    x = 9,348,243,927.27/157,818.36
  6. Step 6: Final answer
    x = 59,234.20

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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.