Home / 127,046.26-175,209.24-79,304.05

Finding the Fourth Proportional to 127,046.26, 175,209.24 and 79,304.05

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Solution

The fourth proportional to 127,046.26, 175,209.24 and 79,304.05 is: 109,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,046.26 : 175,209.24 = 79,304.05 : x
  2. Step 2: Convert to fraction form
    127,046.26/175,209.24 = 79,304.05/x
  3. Step 3: Cross multiply
    127,046.26x = 175,209.24 × 79,304.05
  4. Step 4: Simplify right side
    127,046.26x = 13,894,802,329.42
  5. Step 5: Solve for x
    x = 13,894,802,329.42/127,046.26
  6. Step 6: Final answer
    x = 109,368.05

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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.