Home / 186,472.80-257,331.78-101,589.66

Finding the Fourth Proportional to 186,472.80, 257,331.78 and 101,589.66

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Solution

The fourth proportional to 186,472.80, 257,331.78 and 101,589.66 is: 140,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,472.80 : 257,331.78 = 101,589.66 : x
  2. Step 2: Convert to fraction form
    186,472.80/257,331.78 = 101,589.66/x
  3. Step 3: Cross multiply
    186,472.80x = 257,331.78 × 101,589.66
  4. Step 4: Simplify right side
    186,472.80x = 26,142,248,037.39
  5. Step 5: Solve for x
    x = 26,142,248,037.39/186,472.80
  6. Step 6: Final answer
    x = 140,193.36

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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.