Home / 134,780.56-185,879.01-107,913.27

Finding the Fourth Proportional to 134,780.56, 185,879.01 and 107,913.27

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Solution

The fourth proportional to 134,780.56, 185,879.01 and 107,913.27 is: 148,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,780.56 : 185,879.01 = 107,913.27 : x
  2. Step 2: Convert to fraction form
    134,780.56/185,879.01 = 107,913.27/x
  3. Step 3: Cross multiply
    134,780.56x = 185,879.01 × 107,913.27
  4. Step 4: Simplify right side
    134,780.56x = 20,058,811,793.46
  5. Step 5: Solve for x
    x = 20,058,811,793.46/134,780.56
  6. Step 6: Final answer
    x = 148,825.70

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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.