Home / 157,965.80-236,564.70-83,930.60

Finding the Fourth Proportional to 157,965.80, 236,564.70 and 83,930.60

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Solution

The fourth proportional to 157,965.80, 236,564.70 and 83,930.60 is: 125,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,965.80 : 236,564.70 = 83,930.60 : x
  2. Step 2: Convert to fraction form
    157,965.80/236,564.70 = 83,930.60/x
  3. Step 3: Cross multiply
    157,965.80x = 236,564.70 × 83,930.60
  4. Step 4: Simplify right side
    157,965.80x = 19,855,017,209.82
  5. Step 5: Solve for x
    x = 19,855,017,209.82/157,965.80
  6. Step 6: Final answer
    x = 125,691.87

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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.