Home / 148,549.20-204,998.76-84,889.32

Finding the Fourth Proportional to 148,549.20, 204,998.76 and 84,889.32

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Solution

The fourth proportional to 148,549.20, 204,998.76 and 84,889.32 is: 117,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,549.20 : 204,998.76 = 84,889.32 : x
  2. Step 2: Convert to fraction form
    148,549.20/204,998.76 = 84,889.32/x
  3. Step 3: Cross multiply
    148,549.20x = 204,998.76 × 84,889.32
  4. Step 4: Simplify right side
    148,549.20x = 17,402,205,337.24
  5. Step 5: Solve for x
    x = 17,402,205,337.24/148,549.20
  6. Step 6: Final answer
    x = 117,147.76

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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.