Home / 156,764.88-216,329.40-93,101.04

Finding the Fourth Proportional to 156,764.88, 216,329.40 and 93,101.04

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Solution

The fourth proportional to 156,764.88, 216,329.40 and 93,101.04 is: 128,475.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,764.88 : 216,329.40 = 93,101.04 : x
  2. Step 2: Convert to fraction form
    156,764.88/216,329.40 = 93,101.04/x
  3. Step 3: Cross multiply
    156,764.88x = 216,329.40 × 93,101.04
  4. Step 4: Simplify right side
    156,764.88x = 20,140,492,122.58
  5. Step 5: Solve for x
    x = 20,140,492,122.58/156,764.88
  6. Step 6: Final answer
    x = 128,475.79

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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.