Home / 120,748.19-181,127.18-30,793.23

Finding the Fourth Proportional to 120,748.19, 181,127.18 and 30,793.23

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Solution

The fourth proportional to 120,748.19, 181,127.18 and 30,793.23 is: 46,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,748.19 : 181,127.18 = 30,793.23 : x
  2. Step 2: Convert to fraction form
    120,748.19/181,127.18 = 30,793.23/x
  3. Step 3: Cross multiply
    120,748.19x = 181,127.18 × 30,793.23
  4. Step 4: Simplify right side
    120,748.19x = 5,577,490,989.97
  5. Step 5: Solve for x
    x = 5,577,490,989.97/120,748.19
  6. Step 6: Final answer
    x = 46,191.10

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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.