Home / 148,035.18-204,240.62-90,614.68

Finding the Fourth Proportional to 148,035.18, 204,240.62 and 90,614.68

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Solution

The fourth proportional to 148,035.18, 204,240.62 and 90,614.68 is: 125,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,035.18 : 204,240.62 = 90,614.68 : x
  2. Step 2: Convert to fraction form
    148,035.18/204,240.62 = 90,614.68/x
  3. Step 3: Cross multiply
    148,035.18x = 204,240.62 × 90,614.68
  4. Step 4: Simplify right side
    148,035.18x = 18,507,198,424.30
  5. Step 5: Solve for x
    x = 18,507,198,424.30/148,035.18
  6. Step 6: Final answer
    x = 125,018.92

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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.