Home / 121,844.15-182,766.23-42,932.15

Finding the Fourth Proportional to 121,844.15, 182,766.23 and 42,932.15

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Solution

The fourth proportional to 121,844.15, 182,766.23 and 42,932.15 is: 64,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,844.15 : 182,766.23 = 42,932.15 : x
  2. Step 2: Convert to fraction form
    121,844.15/182,766.23 = 42,932.15/x
  3. Step 3: Cross multiply
    121,844.15x = 182,766.23 × 42,932.15
  4. Step 4: Simplify right side
    121,844.15x = 7,846,546,986.63
  5. Step 5: Solve for x
    x = 7,846,546,986.63/121,844.15
  6. Step 6: Final answer
    x = 64,398.23

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1.5x scale

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.