Home / 148,542.79-222,470.95-89,247.75

Finding the Fourth Proportional to 148,542.79, 222,470.95 and 89,247.75

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Solution

The fourth proportional to 148,542.79, 222,470.95 and 89,247.75 is: 133,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,542.79 : 222,470.95 = 89,247.75 : x
  2. Step 2: Convert to fraction form
    148,542.79/222,470.95 = 89,247.75/x
  3. Step 3: Cross multiply
    148,542.79x = 222,470.95 × 89,247.75
  4. Step 4: Simplify right side
    148,542.79x = 19,855,031,727.86
  5. Step 5: Solve for x
    x = 19,855,031,727.86/148,542.79
  6. Step 6: Final answer
    x = 133,665.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.