Home / 134,071.38-185,020.74-73,644.57

Finding the Fourth Proportional to 134,071.38, 185,020.74 and 73,644.57

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Solution

The fourth proportional to 134,071.38, 185,020.74 and 73,644.57 is: 101,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,071.38 : 185,020.74 = 73,644.57 : x
  2. Step 2: Convert to fraction form
    134,071.38/185,020.74 = 73,644.57/x
  3. Step 3: Cross multiply
    134,071.38x = 185,020.74 × 73,644.57
  4. Step 4: Simplify right side
    134,071.38x = 13,625,772,838.38
  5. Step 5: Solve for x
    x = 13,625,772,838.38/134,071.38
  6. Step 6: Final answer
    x = 101,630.73

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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.