Home / 134,114.65-185,081.48-73,689.21

Finding the Fourth Proportional to 134,114.65, 185,081.48 and 73,689.21

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Solution

The fourth proportional to 134,114.65, 185,081.48 and 73,689.21 is: 101,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,114.65 : 185,081.48 = 73,689.21 : x
  2. Step 2: Convert to fraction form
    134,114.65/185,081.48 = 73,689.21/x
  3. Step 3: Cross multiply
    134,114.65x = 185,081.48 × 73,689.21
  4. Step 4: Simplify right side
    134,114.65x = 13,638,508,046.83
  5. Step 5: Solve for x
    x = 13,638,508,046.83/134,114.65
  6. Step 6: Final answer
    x = 101,692.90

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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.