Home / 156,658.24-216,191.73-88,675.30

Finding the Fourth Proportional to 156,658.24, 216,191.73 and 88,675.30

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Solution

The fourth proportional to 156,658.24, 216,191.73 and 88,675.30 is: 122,373.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,658.24 : 216,191.73 = 88,675.30 : x
  2. Step 2: Convert to fraction form
    156,658.24/216,191.73 = 88,675.30/x
  3. Step 3: Cross multiply
    156,658.24x = 216,191.73 × 88,675.30
  4. Step 4: Simplify right side
    156,658.24x = 19,170,866,515.27
  5. Step 5: Solve for x
    x = 19,170,866,515.27/156,658.24
  6. Step 6: Final answer
    x = 122,373.82

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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.