Home / 132,766.88-183,215.76-72,336.80

Finding the Fourth Proportional to 132,766.88, 183,215.76 and 72,336.80

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Solution

The fourth proportional to 132,766.88, 183,215.76 and 72,336.80 is: 99,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,766.88 : 183,215.76 = 72,336.80 : x
  2. Step 2: Convert to fraction form
    132,766.88/183,215.76 = 72,336.80/x
  3. Step 3: Cross multiply
    132,766.88x = 183,215.76 × 72,336.80
  4. Step 4: Simplify right side
    132,766.88x = 13,253,241,787.97
  5. Step 5: Solve for x
    x = 13,253,241,787.97/132,766.88
  6. Step 6: Final answer
    x = 99,823.40

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1.5x scale

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.