Home / 226,545.06-312,640.20-124,578.30

Finding the Fourth Proportional to 226,545.06, 312,640.20 and 124,578.30

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Solution

The fourth proportional to 226,545.06, 312,640.20 and 124,578.30 is: 171,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,545.06 : 312,640.20 = 124,578.30 : x
  2. Step 2: Convert to fraction form
    226,545.06/312,640.20 = 124,578.30/x
  3. Step 3: Cross multiply
    226,545.06x = 312,640.20 × 124,578.30
  4. Step 4: Simplify right side
    226,545.06x = 38,948,184,627.66
  5. Step 5: Solve for x
    x = 38,948,184,627.66/226,545.06
  6. Step 6: Final answer
    x = 171,922.46

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1.5x scale

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.