Home / 109,132.02-163,700.60-30,246.93

Finding the Fourth Proportional to 109,132.02, 163,700.60 and 30,246.93

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Solution

The fourth proportional to 109,132.02, 163,700.60 and 30,246.93 is: 45,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,132.02 : 163,700.60 = 30,246.93 : x
  2. Step 2: Convert to fraction form
    109,132.02/163,700.60 = 30,246.93/x
  3. Step 3: Cross multiply
    109,132.02x = 163,700.60 × 30,246.93
  4. Step 4: Simplify right side
    109,132.02x = 4,951,440,589.16
  5. Step 5: Solve for x
    x = 4,951,440,589.16/109,132.02
  6. Step 6: Final answer
    x = 45,371.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.