Home / 161,005.52-222,110.42-113,285.18

Finding the Fourth Proportional to 161,005.52, 222,110.42 and 113,285.18

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Solution

The fourth proportional to 161,005.52, 222,110.42 and 113,285.18 is: 156,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,005.52 : 222,110.42 = 113,285.18 : x
  2. Step 2: Convert to fraction form
    161,005.52/222,110.42 = 113,285.18/x
  3. Step 3: Cross multiply
    161,005.52x = 222,110.42 × 113,285.18
  4. Step 4: Simplify right side
    161,005.52x = 25,161,818,909.58
  5. Step 5: Solve for x
    x = 25,161,818,909.58/161,005.52
  6. Step 6: Final answer
    x = 156,279.23

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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.