Home / 160,972.12-222,151.61-89,353.34

Finding the Fourth Proportional to 160,972.12, 222,151.61 and 89,353.34

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Solution

The fourth proportional to 160,972.12, 222,151.61 and 89,353.34 is: 123,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,972.12 : 222,151.61 = 89,353.34 : x
  2. Step 2: Convert to fraction form
    160,972.12/222,151.61 = 89,353.34/x
  3. Step 3: Cross multiply
    160,972.12x = 222,151.61 × 89,353.34
  4. Step 4: Simplify right side
    160,972.12x = 19,849,988,339.88
  5. Step 5: Solve for x
    x = 19,849,988,339.88/160,972.12
  6. Step 6: Final answer
    x = 123,313.21

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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.