Home / 147,927.60-221,891.40-69,049.80

Finding the Fourth Proportional to 147,927.60, 221,891.40 and 69,049.80

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Solution

The fourth proportional to 147,927.60, 221,891.40 and 69,049.80 is: 103,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,927.60 : 221,891.40 = 69,049.80 : x
  2. Step 2: Convert to fraction form
    147,927.60/221,891.40 = 69,049.80/x
  3. Step 3: Cross multiply
    147,927.60x = 221,891.40 × 69,049.80
  4. Step 4: Simplify right side
    147,927.60x = 15,321,556,791.72
  5. Step 5: Solve for x
    x = 15,321,556,791.72/147,927.60
  6. Step 6: Final answer
    x = 103,574.70

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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.