Home / 124,180.86-186,158.96-45,276.62

Finding the Fourth Proportional to 124,180.86, 186,158.96 and 45,276.62

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Solution

The fourth proportional to 124,180.86, 186,158.96 and 45,276.62 is: 67,873.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,180.86 : 186,158.96 = 45,276.62 : x
  2. Step 2: Convert to fraction form
    124,180.86/186,158.96 = 45,276.62/x
  3. Step 3: Cross multiply
    124,180.86x = 186,158.96 × 45,276.62
  4. Step 4: Simplify right side
    124,180.86x = 8,428,648,491.52
  5. Step 5: Solve for x
    x = 8,428,648,491.52/124,180.86
  6. Step 6: Final answer
    x = 67,873.97

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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.