Home / 160,972.49-222,152.13-89,353.72

Finding the Fourth Proportional to 160,972.49, 222,152.13 and 89,353.72

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Solution

The fourth proportional to 160,972.49, 222,152.13 and 89,353.72 is: 123,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,972.49 : 222,152.13 = 89,353.72 : x
  2. Step 2: Convert to fraction form
    160,972.49/222,152.13 = 89,353.72/x
  3. Step 3: Cross multiply
    160,972.49x = 222,152.13 × 89,353.72
  4. Step 4: Simplify right side
    160,972.49x = 19,850,119,221.42
  5. Step 5: Solve for x
    x = 19,850,119,221.42/160,972.49
  6. Step 6: Final answer
    x = 123,313.74

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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.