Home / 168,475.50-232,306.65-137,752.74

Finding the Fourth Proportional to 168,475.50, 232,306.65 and 137,752.74

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Solution

The fourth proportional to 168,475.50, 232,306.65 and 137,752.74 is: 189,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,475.50 : 232,306.65 = 137,752.74 : x
  2. Step 2: Convert to fraction form
    168,475.50/232,306.65 = 137,752.74/x
  3. Step 3: Cross multiply
    168,475.50x = 232,306.65 × 137,752.74
  4. Step 4: Simplify right side
    168,475.50x = 32,000,877,557.72
  5. Step 5: Solve for x
    x = 32,000,877,557.72/168,475.50
  6. Step 6: Final answer
    x = 189,943.81

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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.