Home / 186,839.40-257,839.02-101,957.88

Finding the Fourth Proportional to 186,839.40, 257,839.02 and 101,957.88

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Solution

The fourth proportional to 186,839.40, 257,839.02 and 101,957.88 is: 140,702.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,839.40 : 257,839.02 = 101,957.88 : x
  2. Step 2: Convert to fraction form
    186,839.40/257,839.02 = 101,957.88/x
  3. Step 3: Cross multiply
    186,839.40x = 257,839.02 × 101,957.88
  4. Step 4: Simplify right side
    186,839.40x = 26,288,719,860.48
  5. Step 5: Solve for x
    x = 26,288,719,860.48/186,839.40
  6. Step 6: Final answer
    x = 140,702.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.