Home / 231,392.59-347,001.28-126,154.27

Finding the Fourth Proportional to 231,392.59, 347,001.28 and 126,154.27

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Solution

The fourth proportional to 231,392.59, 347,001.28 and 126,154.27 is: 189,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,392.59 : 347,001.28 = 126,154.27 : x
  2. Step 2: Convert to fraction form
    231,392.59/347,001.28 = 126,154.27/x
  3. Step 3: Cross multiply
    231,392.59x = 347,001.28 × 126,154.27
  4. Step 4: Simplify right side
    231,392.59x = 43,775,693,167.47
  5. Step 5: Solve for x
    x = 43,775,693,167.47/231,392.59
  6. Step 6: Final answer
    x = 189,183.64

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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.