Home / 114,766.40-172,279.20-88,587.20

Finding the Fourth Proportional to 114,766.40, 172,279.20 and 88,587.20

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Solution

The fourth proportional to 114,766.40, 172,279.20 and 88,587.20 is: 132,980.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,766.40 : 172,279.20 = 88,587.20 : x
  2. Step 2: Convert to fraction form
    114,766.40/172,279.20 = 88,587.20/x
  3. Step 3: Cross multiply
    114,766.40x = 172,279.20 × 88,587.20
  4. Step 4: Simplify right side
    114,766.40x = 15,261,731,946.24
  5. Step 5: Solve for x
    x = 15,261,731,946.24/114,766.40
  6. Step 6: Final answer
    x = 132,980.84

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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.