Home / 132,915.12-183,377.52-75,548.64

Finding the Fourth Proportional to 132,915.12, 183,377.52 and 75,548.64

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Solution

The fourth proportional to 132,915.12, 183,377.52 and 75,548.64 is: 104,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,915.12 : 183,377.52 = 75,548.64 : x
  2. Step 2: Convert to fraction form
    132,915.12/183,377.52 = 75,548.64/x
  3. Step 3: Cross multiply
    132,915.12x = 183,377.52 × 75,548.64
  4. Step 4: Simplify right side
    132,915.12x = 13,853,922,242.57
  5. Step 5: Solve for x
    x = 13,853,922,242.57/132,915.12
  6. Step 6: Final answer
    x = 104,231.35

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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.