Home / 121,816.38-182,756.10-37,574.70

Finding the Fourth Proportional to 121,816.38, 182,756.10 and 37,574.70

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Solution

The fourth proportional to 121,816.38, 182,756.10 and 37,574.70 is: 56,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,816.38 : 182,756.10 = 37,574.70 : x
  2. Step 2: Convert to fraction form
    121,816.38/182,756.10 = 37,574.70/x
  3. Step 3: Cross multiply
    121,816.38x = 182,756.10 × 37,574.70
  4. Step 4: Simplify right side
    121,816.38x = 6,867,005,630.67
  5. Step 5: Solve for x
    x = 6,867,005,630.67/121,816.38
  6. Step 6: Final answer
    x = 56,371.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.