Home / 148,402.48-204,765.24-87,946.56

Finding the Fourth Proportional to 148,402.48, 204,765.24 and 87,946.56

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Solution

The fourth proportional to 148,402.48, 204,765.24 and 87,946.56 is: 121,348.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,402.48 : 204,765.24 = 87,946.56 : x
  2. Step 2: Convert to fraction form
    148,402.48/204,765.24 = 87,946.56/x
  3. Step 3: Cross multiply
    148,402.48x = 204,765.24 × 87,946.56
  4. Step 4: Simplify right side
    148,402.48x = 18,008,398,465.57
  5. Step 5: Solve for x
    x = 18,008,398,465.57/148,402.48
  6. Step 6: Final answer
    x = 121,348.37

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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.