Home / 185,599.92-278,397.45-45,359.76

Finding the Fourth Proportional to 185,599.92, 278,397.45 and 45,359.76

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Solution

The fourth proportional to 185,599.92, 278,397.45 and 45,359.76 is: 68,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,599.92 : 278,397.45 = 45,359.76 : x
  2. Step 2: Convert to fraction form
    185,599.92/278,397.45 = 45,359.76/x
  3. Step 3: Cross multiply
    185,599.92x = 278,397.45 × 45,359.76
  4. Step 4: Simplify right side
    185,599.92x = 12,628,041,516.61
  5. Step 5: Solve for x
    x = 12,628,041,516.61/185,599.92
  6. Step 6: Final answer
    x = 68,039.05

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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.