Home / 134,204.17-185,205.90-73,779.43

Finding the Fourth Proportional to 134,204.17, 185,205.90 and 73,779.43

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Solution

The fourth proportional to 134,204.17, 185,205.90 and 73,779.43 is: 101,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,204.17 : 185,205.90 = 73,779.43 : x
  2. Step 2: Convert to fraction form
    134,204.17/185,205.90 = 73,779.43/x
  3. Step 3: Cross multiply
    134,204.17x = 185,205.90 × 73,779.43
  4. Step 4: Simplify right side
    134,204.17x = 13,664,385,734.64
  5. Step 5: Solve for x
    x = 13,664,385,734.64/134,204.17
  6. Step 6: Final answer
    x = 101,817.89

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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.