Home / 157,772.40-236,517.93-57,909.43

Finding the Fourth Proportional to 157,772.40, 236,517.93 and 57,909.43

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Solution

The fourth proportional to 157,772.40, 236,517.93 and 57,909.43 is: 86,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,772.40 : 236,517.93 = 57,909.43 : x
  2. Step 2: Convert to fraction form
    157,772.40/236,517.93 = 57,909.43/x
  3. Step 3: Cross multiply
    157,772.40x = 236,517.93 × 57,909.43
  4. Step 4: Simplify right side
    157,772.40x = 13,696,618,511.08
  5. Step 5: Solve for x
    x = 13,696,618,511.08/157,772.40
  6. Step 6: Final answer
    x = 86,812.51

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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.