Home / 186,514.30-257,389.68-101,631.30

Finding the Fourth Proportional to 186,514.30, 257,389.68 and 101,631.30

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Solution

The fourth proportional to 186,514.30, 257,389.68 and 101,631.30 is: 140,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,514.30 : 257,389.68 = 101,631.30 : x
  2. Step 2: Convert to fraction form
    186,514.30/257,389.68 = 101,631.30/x
  3. Step 3: Cross multiply
    186,514.30x = 257,389.68 × 101,631.30
  4. Step 4: Simplify right side
    186,514.30x = 26,158,847,784.98
  5. Step 5: Solve for x
    x = 26,158,847,784.98/186,514.30
  6. Step 6: Final answer
    x = 140,251.16

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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.