Home / 138,280.77-207,585.18-116,367.03

Finding the Fourth Proportional to 138,280.77, 207,585.18 and 116,367.03

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Solution

The fourth proportional to 138,280.77, 207,585.18 and 116,367.03 is: 174,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,280.77 : 207,585.18 = 116,367.03 : x
  2. Step 2: Convert to fraction form
    138,280.77/207,585.18 = 116,367.03/x
  3. Step 3: Cross multiply
    138,280.77x = 207,585.18 × 116,367.03
  4. Step 4: Simplify right side
    138,280.77x = 24,156,070,868.62
  5. Step 5: Solve for x
    x = 24,156,070,868.62/138,280.77
  6. Step 6: Final answer
    x = 174,688.58

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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.