Home / 161,545.33-223,119.18-107,736.83

Finding the Fourth Proportional to 161,545.33, 223,119.18 and 107,736.83

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Solution

The fourth proportional to 161,545.33, 223,119.18 and 107,736.83 is: 148,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,545.33 : 223,119.18 = 107,736.83 : x
  2. Step 2: Convert to fraction form
    161,545.33/223,119.18 = 107,736.83/x
  3. Step 3: Cross multiply
    161,545.33x = 223,119.18 × 107,736.83
  4. Step 4: Simplify right side
    161,545.33x = 24,038,152,049.80
  5. Step 5: Solve for x
    x = 24,038,152,049.80/161,545.33
  6. Step 6: Final answer
    x = 148,801.28

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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.