Home / 186,514.76-257,389.98-101,631.62

Finding the Fourth Proportional to 186,514.76, 257,389.98 and 101,631.62

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Solution

The fourth proportional to 186,514.76, 257,389.98 and 101,631.62 is: 140,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,514.76 : 257,389.98 = 101,631.62 : x
  2. Step 2: Convert to fraction form
    186,514.76/257,389.98 = 101,631.62/x
  3. Step 3: Cross multiply
    186,514.76x = 257,389.98 × 101,631.62
  4. Step 4: Simplify right side
    186,514.76x = 26,158,960,639.17
  5. Step 5: Solve for x
    x = 26,158,960,639.17/186,514.76
  6. Step 6: Final answer
    x = 140,251.42

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1.5x scale

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.