Home / 186,742.66-257,708.38-101,862.76

Finding the Fourth Proportional to 186,742.66, 257,708.38 and 101,862.76

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Solution

The fourth proportional to 186,742.66, 257,708.38 and 101,862.76 is: 140,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,742.66 : 257,708.38 = 101,862.76 : x
  2. Step 2: Convert to fraction form
    186,742.66/257,708.38 = 101,862.76/x
  3. Step 3: Cross multiply
    186,742.66x = 257,708.38 × 101,862.76
  4. Step 4: Simplify right side
    186,742.66x = 26,250,886,861.93
  5. Step 5: Solve for x
    x = 26,250,886,861.93/186,742.66
  6. Step 6: Final answer
    x = 140,572.52

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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.