Home / 132,994.25-183,531.98-85,247.55

Finding the Fourth Proportional to 132,994.25, 183,531.98 and 85,247.55

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Solution

The fourth proportional to 132,994.25, 183,531.98 and 85,247.55 is: 117,641.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,994.25 : 183,531.98 = 85,247.55 : x
  2. Step 2: Convert to fraction form
    132,994.25/183,531.98 = 85,247.55/x
  3. Step 3: Cross multiply
    132,994.25x = 183,531.98 × 85,247.55
  4. Step 4: Simplify right side
    132,994.25x = 15,645,651,854.77
  5. Step 5: Solve for x
    x = 15,645,651,854.77/132,994.25
  6. Step 6: Final answer
    x = 117,641.57

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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.