Home / 157,513.44-236,425.68-68,828.16

Finding the Fourth Proportional to 157,513.44, 236,425.68 and 68,828.16

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Solution

The fourth proportional to 157,513.44, 236,425.68 and 68,828.16 is: 103,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,513.44 : 236,425.68 = 68,828.16 : x
  2. Step 2: Convert to fraction form
    157,513.44/236,425.68 = 68,828.16/x
  3. Step 3: Cross multiply
    157,513.44x = 236,425.68 × 68,828.16
  4. Step 4: Simplify right side
    157,513.44x = 16,272,744,531.15
  5. Step 5: Solve for x
    x = 16,272,744,531.15/157,513.44
  6. Step 6: Final answer
    x = 103,310.20

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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.