Home / 160,961.96-222,124.08-89,337.68

Finding the Fourth Proportional to 160,961.96, 222,124.08 and 89,337.68

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Solution

The fourth proportional to 160,961.96, 222,124.08 and 89,337.68 is: 123,284.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,961.96 : 222,124.08 = 89,337.68 : x
  2. Step 2: Convert to fraction form
    160,961.96/222,124.08 = 89,337.68/x
  3. Step 3: Cross multiply
    160,961.96x = 222,124.08 × 89,337.68
  4. Step 4: Simplify right side
    160,961.96x = 19,844,049,979.33
  5. Step 5: Solve for x
    x = 19,844,049,979.33/160,961.96
  6. Step 6: Final answer
    x = 123,284.10

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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.