Home / 148,712.24-221,998.66-127,423.04

Finding the Fourth Proportional to 148,712.24, 221,998.66 and 127,423.04

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Solution

The fourth proportional to 148,712.24, 221,998.66 and 127,423.04 is: 190,218.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,712.24 : 221,998.66 = 127,423.04 : x
  2. Step 2: Convert to fraction form
    148,712.24/221,998.66 = 127,423.04/x
  3. Step 3: Cross multiply
    148,712.24x = 221,998.66 × 127,423.04
  4. Step 4: Simplify right side
    148,712.24x = 28,287,744,133.13
  5. Step 5: Solve for x
    x = 28,287,744,133.13/148,712.24
  6. Step 6: Final answer
    x = 190,218.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.