Home / 161,138.13-222,376.42-93,176.43

Finding the Fourth Proportional to 161,138.13, 222,376.42 and 93,176.43

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Solution

The fourth proportional to 161,138.13, 222,376.42 and 93,176.43 is: 128,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,138.13 : 222,376.42 = 93,176.43 : x
  2. Step 2: Convert to fraction form
    161,138.13/222,376.42 = 93,176.43/x
  3. Step 3: Cross multiply
    161,138.13x = 222,376.42 × 93,176.43
  4. Step 4: Simplify right side
    161,138.13x = 20,720,240,214.34
  5. Step 5: Solve for x
    x = 20,720,240,214.34/161,138.13
  6. Step 6: Final answer
    x = 128,586.83

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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.