Home / 242,675.60-363,916.20-84,822.80

Finding the Fourth Proportional to 242,675.60, 363,916.20 and 84,822.80

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Solution

The fourth proportional to 242,675.60, 363,916.20 and 84,822.80 is: 127,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,675.60 : 363,916.20 = 84,822.80 : x
  2. Step 2: Convert to fraction form
    242,675.60/363,916.20 = 84,822.80/x
  3. Step 3: Cross multiply
    242,675.60x = 363,916.20 × 84,822.80
  4. Step 4: Simplify right side
    242,675.60x = 30,868,391,049.36
  5. Step 5: Solve for x
    x = 30,868,391,049.36/242,675.60
  6. Step 6: Final answer
    x = 127,200.23

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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.