Home / 160,066.29-220,892.06-87,469.18

Finding the Fourth Proportional to 160,066.29, 220,892.06 and 87,469.18

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Solution

The fourth proportional to 160,066.29, 220,892.06 and 87,469.18 is: 120,707.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,066.29 : 220,892.06 = 87,469.18 : x
  2. Step 2: Convert to fraction form
    160,066.29/220,892.06 = 87,469.18/x
  3. Step 3: Cross multiply
    160,066.29x = 220,892.06 × 87,469.18
  4. Step 4: Simplify right side
    160,066.29x = 19,321,247,356.71
  5. Step 5: Solve for x
    x = 19,321,247,356.71/160,066.29
  6. Step 6: Final answer
    x = 120,707.79

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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.