Home / 169,623.18-254,199.36-74,711.04

Finding the Fourth Proportional to 169,623.18, 254,199.36 and 74,711.04

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Solution

The fourth proportional to 169,623.18, 254,199.36 and 74,711.04 is: 111,962.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,623.18 : 254,199.36 = 74,711.04 : x
  2. Step 2: Convert to fraction form
    169,623.18/254,199.36 = 74,711.04/x
  3. Step 3: Cross multiply
    169,623.18x = 254,199.36 × 74,711.04
  4. Step 4: Simplify right side
    169,623.18x = 18,991,498,552.93
  5. Step 5: Solve for x
    x = 18,991,498,552.93/169,623.18
  6. Step 6: Final answer
    x = 111,962.87

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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.