Home / 156,992.02-216,654.69-89,936.98

Finding the Fourth Proportional to 156,992.02, 216,654.69 and 89,936.98

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Solution

The fourth proportional to 156,992.02, 216,654.69 and 89,936.98 is: 124,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,992.02 : 216,654.69 = 89,936.98 : x
  2. Step 2: Convert to fraction form
    156,992.02/216,654.69 = 89,936.98/x
  3. Step 3: Cross multiply
    156,992.02x = 216,654.69 × 89,936.98
  4. Step 4: Simplify right side
    156,992.02x = 19,485,268,521.44
  5. Step 5: Solve for x
    x = 19,485,268,521.44/156,992.02
  6. Step 6: Final answer
    x = 124,116.30

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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.