Home / 226,545.90-312,641.36-124,579.10

Finding the Fourth Proportional to 226,545.90, 312,641.36 and 124,579.10

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Solution

The fourth proportional to 226,545.90, 312,641.36 and 124,579.10 is: 171,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,545.90 : 312,641.36 = 124,579.10 : x
  2. Step 2: Convert to fraction form
    226,545.90/312,641.36 = 124,579.10/x
  3. Step 3: Cross multiply
    226,545.90x = 312,641.36 × 124,579.10
  4. Step 4: Simplify right side
    226,545.90x = 38,948,579,251.58
  5. Step 5: Solve for x
    x = 38,948,579,251.58/226,545.90
  6. Step 6: Final answer
    x = 171,923.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.