Home / 160,983.20-222,159.28-89,367.84

Finding the Fourth Proportional to 160,983.20, 222,159.28 and 89,367.84

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Solution

The fourth proportional to 160,983.20, 222,159.28 and 89,367.84 is: 123,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,983.20 : 222,159.28 = 89,367.84 : x
  2. Step 2: Convert to fraction form
    160,983.20/222,159.28 = 89,367.84/x
  3. Step 3: Cross multiply
    160,983.20x = 222,159.28 × 89,367.84
  4. Step 4: Simplify right side
    160,983.20x = 19,853,894,989.56
  5. Step 5: Solve for x
    x = 19,853,894,989.56/160,983.20
  6. Step 6: Final answer
    x = 123,328.99

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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.