Home / 316,255.56-474,375.45-147,964.18

Finding the Fourth Proportional to 316,255.56, 474,375.45 and 147,964.18

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Solution

The fourth proportional to 316,255.56, 474,375.45 and 147,964.18 is: 221,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,255.56 : 474,375.45 = 147,964.18 : x
  2. Step 2: Convert to fraction form
    316,255.56/474,375.45 = 147,964.18/x
  3. Step 3: Cross multiply
    316,255.56x = 474,375.45 × 147,964.18
  4. Step 4: Simplify right side
    316,255.56x = 70,190,574,471.38
  5. Step 5: Solve for x
    x = 70,190,574,471.38/316,255.56
  6. Step 6: Final answer
    x = 221,942.58

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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.