Home / 176,140.26-243,073.56-100,690.38

Finding the Fourth Proportional to 176,140.26, 243,073.56 and 100,690.38

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Solution

The fourth proportional to 176,140.26, 243,073.56 and 100,690.38 is: 138,952.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,140.26 : 243,073.56 = 100,690.38 : x
  2. Step 2: Convert to fraction form
    176,140.26/243,073.56 = 100,690.38/x
  3. Step 3: Cross multiply
    176,140.26x = 243,073.56 × 100,690.38
  4. Step 4: Simplify right side
    176,140.26x = 24,475,169,124.35
  5. Step 5: Solve for x
    x = 24,475,169,124.35/176,140.26
  6. Step 6: Final answer
    x = 138,952.73

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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.