Home / 156,525.02-216,008.37-88,538.78

Finding the Fourth Proportional to 156,525.02, 216,008.37 and 88,538.78

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Solution

The fourth proportional to 156,525.02, 216,008.37 and 88,538.78 is: 122,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,525.02 : 216,008.37 = 88,538.78 : x
  2. Step 2: Convert to fraction form
    156,525.02/216,008.37 = 88,538.78/x
  3. Step 3: Cross multiply
    156,525.02x = 216,008.37 × 88,538.78
  4. Step 4: Simplify right side
    156,525.02x = 19,125,116,469.55
  5. Step 5: Solve for x
    x = 19,125,116,469.55/156,525.02
  6. Step 6: Final answer
    x = 122,185.69

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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.