Home / 121,456.08-182,199.48-47,574.48

Finding the Fourth Proportional to 121,456.08, 182,199.48 and 47,574.48

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Solution

The fourth proportional to 121,456.08, 182,199.48 and 47,574.48 is: 71,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,456.08 : 182,199.48 = 47,574.48 : x
  2. Step 2: Convert to fraction form
    121,456.08/182,199.48 = 47,574.48/x
  3. Step 3: Cross multiply
    121,456.08x = 182,199.48 × 47,574.48
  4. Step 4: Simplify right side
    121,456.08x = 8,668,045,517.27
  5. Step 5: Solve for x
    x = 8,668,045,517.27/121,456.08
  6. Step 6: Final answer
    x = 71,367.74

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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.