Home / 149,545.23-206,365.13-89,114.53

Finding the Fourth Proportional to 149,545.23, 206,365.13 and 89,114.53

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Solution

The fourth proportional to 149,545.23, 206,365.13 and 89,114.53 is: 122,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,545.23 : 206,365.13 = 89,114.53 : x
  2. Step 2: Convert to fraction form
    149,545.23/206,365.13 = 89,114.53/x
  3. Step 3: Cross multiply
    149,545.23x = 206,365.13 × 89,114.53
  4. Step 4: Simplify right side
    149,545.23x = 18,390,131,568.34
  5. Step 5: Solve for x
    x = 18,390,131,568.34/149,545.23
  6. Step 6: Final answer
    x = 122,973.71

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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.