Home / 231,934.80-347,902.20-74,168.40

Finding the Fourth Proportional to 231,934.80, 347,902.20 and 74,168.40

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Solution

The fourth proportional to 231,934.80, 347,902.20 and 74,168.40 is: 111,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,934.80 : 347,902.20 = 74,168.40 : x
  2. Step 2: Convert to fraction form
    231,934.80/347,902.20 = 74,168.40/x
  3. Step 3: Cross multiply
    231,934.80x = 347,902.20 × 74,168.40
  4. Step 4: Simplify right side
    231,934.80x = 25,803,349,530.48
  5. Step 5: Solve for x
    x = 25,803,349,530.48/231,934.80
  6. Step 6: Final answer
    x = 111,252.60

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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.