Home / 121,182.26-181,856.41-42,296.48

Finding the Fourth Proportional to 121,182.26, 181,856.41 and 42,296.48

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Solution

The fourth proportional to 121,182.26, 181,856.41 and 42,296.48 is: 63,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,182.26 : 181,856.41 = 42,296.48 : x
  2. Step 2: Convert to fraction form
    121,182.26/181,856.41 = 42,296.48/x
  3. Step 3: Cross multiply
    121,182.26x = 181,856.41 × 42,296.48
  4. Step 4: Simplify right side
    121,182.26x = 7,691,886,008.44
  5. Step 5: Solve for x
    x = 7,691,886,008.44/121,182.26
  6. Step 6: Final answer
    x = 63,473.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.