Home / 124,195.47-186,137-67,267.15

Finding the Fourth Proportional to 124,195.47, 186,137 and 67,267.15

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Solution

The fourth proportional to 124,195.47, 186,137 and 67,267.15 is: 100,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,195.47 : 186,137 = 67,267.15 : x
  2. Step 2: Convert to fraction form
    124,195.47/186,137 = 67,267.15/x
  3. Step 3: Cross multiply
    124,195.47x = 186,137 × 67,267.15
  4. Step 4: Simplify right side
    124,195.47x = 12,520,905,499.55
  5. Step 5: Solve for x
    x = 12,520,905,499.55/124,195.47
  6. Step 6: Final answer
    x = 100,816.12

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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.