Home / 161,671.28-223,071.18-98,024.72

Finding the Fourth Proportional to 161,671.28, 223,071.18 and 98,024.72

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Solution

The fourth proportional to 161,671.28, 223,071.18 and 98,024.72 is: 135,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,671.28 : 223,071.18 = 98,024.72 : x
  2. Step 2: Convert to fraction form
    161,671.28/223,071.18 = 98,024.72/x
  3. Step 3: Cross multiply
    161,671.28x = 223,071.18 × 98,024.72
  4. Step 4: Simplify right side
    161,671.28x = 21,866,489,959.57
  5. Step 5: Solve for x
    x = 21,866,489,959.57/161,671.28
  6. Step 6: Final answer
    x = 135,252.78

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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.