Home / 161,103.53-222,323.13-89,481.71

Finding the Fourth Proportional to 161,103.53, 222,323.13 and 89,481.71

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Solution

The fourth proportional to 161,103.53, 222,323.13 and 89,481.71 is: 123,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,103.53 : 222,323.13 = 89,481.71 : x
  2. Step 2: Convert to fraction form
    161,103.53/222,323.13 = 89,481.71/x
  3. Step 3: Cross multiply
    161,103.53x = 222,323.13 × 89,481.71
  4. Step 4: Simplify right side
    161,103.53x = 19,893,852,733.34
  5. Step 5: Solve for x
    x = 19,893,852,733.34/161,103.53
  6. Step 6: Final answer
    x = 123,484.90

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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.