Home / 191,306.64-263,819.70-126,673.32

Finding the Fourth Proportional to 191,306.64, 263,819.70 and 126,673.32

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Solution

The fourth proportional to 191,306.64, 263,819.70 and 126,673.32 is: 174,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,306.64 : 263,819.70 = 126,673.32 : x
  2. Step 2: Convert to fraction form
    191,306.64/263,819.70 = 126,673.32/x
  3. Step 3: Cross multiply
    191,306.64x = 263,819.70 × 126,673.32
  4. Step 4: Simplify right side
    191,306.64x = 33,418,917,280.40
  5. Step 5: Solve for x
    x = 33,418,917,280.40/191,306.64
  6. Step 6: Final answer
    x = 174,687.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.