Home / 186,974.53-257,714.16-132,456.74

Finding the Fourth Proportional to 186,974.53, 257,714.16 and 132,456.74

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Solution

The fourth proportional to 186,974.53, 257,714.16 and 132,456.74 is: 182,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,974.53 : 257,714.16 = 132,456.74 : x
  2. Step 2: Convert to fraction form
    186,974.53/257,714.16 = 132,456.74/x
  3. Step 3: Cross multiply
    186,974.53x = 257,714.16 × 132,456.74
  4. Step 4: Simplify right side
    186,974.53x = 34,135,975,700.15
  5. Step 5: Solve for x
    x = 34,135,975,700.15/186,974.53
  6. Step 6: Final answer
    x = 182,570.19

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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.