Home / 121,063.13-181,595.60-42,177.23

Finding the Fourth Proportional to 121,063.13, 181,595.60 and 42,177.23

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Solution

The fourth proportional to 121,063.13, 181,595.60 and 42,177.23 is: 63,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,063.13 : 181,595.60 = 42,177.23 : x
  2. Step 2: Convert to fraction form
    121,063.13/181,595.60 = 42,177.23/x
  3. Step 3: Cross multiply
    121,063.13x = 181,595.60 × 42,177.23
  4. Step 4: Simplify right side
    121,063.13x = 7,659,198,269.32
  5. Step 5: Solve for x
    x = 7,659,198,269.32/121,063.13
  6. Step 6: Final answer
    x = 63,266.15

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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.