Home / 161,264.32-241,695.94-86,199.20

Finding the Fourth Proportional to 161,264.32, 241,695.94 and 86,199.20

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Solution

The fourth proportional to 161,264.32, 241,695.94 and 86,199.20 is: 129,191.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,264.32 : 241,695.94 = 86,199.20 : x
  2. Step 2: Convert to fraction form
    161,264.32/241,695.94 = 86,199.20/x
  3. Step 3: Cross multiply
    161,264.32x = 241,695.94 × 86,199.20
  4. Step 4: Simplify right side
    161,264.32x = 20,833,996,671.25
  5. Step 5: Solve for x
    x = 20,833,996,671.25/161,264.32
  6. Step 6: Final answer
    x = 129,191.61

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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.