Home / 161,439.55-222,761.41-93,443.22

Finding the Fourth Proportional to 161,439.55, 222,761.41 and 93,443.22

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Solution

The fourth proportional to 161,439.55, 222,761.41 and 93,443.22 is: 128,937.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,439.55 : 222,761.41 = 93,443.22 : x
  2. Step 2: Convert to fraction form
    161,439.55/222,761.41 = 93,443.22/x
  3. Step 3: Cross multiply
    161,439.55x = 222,761.41 × 93,443.22
  4. Step 4: Simplify right side
    161,439.55x = 20,815,543,208.53
  5. Step 5: Solve for x
    x = 20,815,543,208.53/161,439.55
  6. Step 6: Final answer
    x = 128,937.08

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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.