Home / 229,320.18-316,451.16-127,352.10

Finding the Fourth Proportional to 229,320.18, 316,451.16 and 127,352.10

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Solution

The fourth proportional to 229,320.18, 316,451.16 and 127,352.10 is: 175,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,320.18 : 316,451.16 = 127,352.10 : x
  2. Step 2: Convert to fraction form
    229,320.18/316,451.16 = 127,352.10/x
  3. Step 3: Cross multiply
    229,320.18x = 316,451.16 × 127,352.10
  4. Step 4: Simplify right side
    229,320.18x = 40,300,719,773.44
  5. Step 5: Solve for x
    x = 40,300,719,773.44/229,320.18
  6. Step 6: Final answer
    x = 175,739.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.