Home / 149,126.16-223,689.21-54,363.45

Finding the Fourth Proportional to 149,126.16, 223,689.21 and 54,363.45

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Solution

The fourth proportional to 149,126.16, 223,689.21 and 54,363.45 is: 81,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,126.16 : 223,689.21 = 54,363.45 : x
  2. Step 2: Convert to fraction form
    149,126.16/223,689.21 = 54,363.45/x
  3. Step 3: Cross multiply
    149,126.16x = 223,689.21 × 54,363.45
  4. Step 4: Simplify right side
    149,126.16x = 12,160,517,183.37
  5. Step 5: Solve for x
    x = 12,160,517,183.37/149,126.16
  6. Step 6: Final answer
    x = 81,545.16

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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.