Home / 159,943.01-220,793.19-105,527.20

Finding the Fourth Proportional to 159,943.01, 220,793.19 and 105,527.20

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Solution

The fourth proportional to 159,943.01, 220,793.19 and 105,527.20 is: 145,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,943.01 : 220,793.19 = 105,527.20 : x
  2. Step 2: Convert to fraction form
    159,943.01/220,793.19 = 105,527.20/x
  3. Step 3: Cross multiply
    159,943.01x = 220,793.19 × 105,527.20
  4. Step 4: Simplify right side
    159,943.01x = 23,299,687,389.10
  5. Step 5: Solve for x
    x = 23,299,687,389.10/159,943.01
  6. Step 6: Final answer
    x = 145,674.94

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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.