Home / 160,867.20-222,023.40-89,270.22

Finding the Fourth Proportional to 160,867.20, 222,023.40 and 89,270.22

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Solution

The fourth proportional to 160,867.20, 222,023.40 and 89,270.22 is: 123,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,867.20 : 222,023.40 = 89,270.22 : x
  2. Step 2: Convert to fraction form
    160,867.20/222,023.40 = 89,270.22/x
  3. Step 3: Cross multiply
    160,867.20x = 222,023.40 × 89,270.22
  4. Step 4: Simplify right side
    160,867.20x = 19,820,077,763.15
  5. Step 5: Solve for x
    x = 19,820,077,763.15/160,867.20
  6. Step 6: Final answer
    x = 123,207.70

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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.