Home / 148,997.48-223,402.78-55,426.28

Finding the Fourth Proportional to 148,997.48, 223,402.78 and 55,426.28

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Solution

The fourth proportional to 148,997.48, 223,402.78 and 55,426.28 is: 83,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,997.48 : 223,402.78 = 55,426.28 : x
  2. Step 2: Convert to fraction form
    148,997.48/223,402.78 = 55,426.28/x
  3. Step 3: Cross multiply
    148,997.48x = 223,402.78 × 55,426.28
  4. Step 4: Simplify right side
    148,997.48x = 12,382,385,037.06
  5. Step 5: Solve for x
    x = 12,382,385,037.06/148,997.48
  6. Step 6: Final answer
    x = 83,104.66

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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.