Home / 134,682.18-185,862.70-74,255.16

Finding the Fourth Proportional to 134,682.18, 185,862.70 and 74,255.16

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Solution

The fourth proportional to 134,682.18, 185,862.70 and 74,255.16 is: 102,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,682.18 : 185,862.70 = 74,255.16 : x
  2. Step 2: Convert to fraction form
    134,682.18/185,862.70 = 74,255.16/x
  3. Step 3: Cross multiply
    134,682.18x = 185,862.70 × 74,255.16
  4. Step 4: Simplify right side
    134,682.18x = 13,801,264,526.53
  5. Step 5: Solve for x
    x = 13,801,264,526.53/134,682.18
  6. Step 6: Final answer
    x = 102,472.83

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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.