Home / 132,425.10-198,722.70-73,303.20

Finding the Fourth Proportional to 132,425.10, 198,722.70 and 73,303.20

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Solution

The fourth proportional to 132,425.10, 198,722.70 and 73,303.20 is: 110,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,425.10 : 198,722.70 = 73,303.20 : x
  2. Step 2: Convert to fraction form
    132,425.10/198,722.70 = 73,303.20/x
  3. Step 3: Cross multiply
    132,425.10x = 198,722.70 × 73,303.20
  4. Step 4: Simplify right side
    132,425.10x = 14,567,009,822.64
  5. Step 5: Solve for x
    x = 14,567,009,822.64/132,425.10
  6. Step 6: Final answer
    x = 110,001.88

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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.