Home / 229,132.76-316,203.38-127,158.29

Finding the Fourth Proportional to 229,132.76, 316,203.38 and 127,158.29

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Solution

The fourth proportional to 229,132.76, 316,203.38 and 127,158.29 is: 175,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,132.76 : 316,203.38 = 127,158.29 : x
  2. Step 2: Convert to fraction form
    229,132.76/316,203.38 = 127,158.29/x
  3. Step 3: Cross multiply
    229,132.76x = 316,203.38 × 127,158.29
  4. Step 4: Simplify right side
    229,132.76x = 40,207,878,876.21
  5. Step 5: Solve for x
    x = 40,207,878,876.21/229,132.76
  6. Step 6: Final answer
    x = 175,478.53

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1.5x scale

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.