Home / 130,489.08-195,764.27-40,527.20

Finding the Fourth Proportional to 130,489.08, 195,764.27 and 40,527.20

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Solution

The fourth proportional to 130,489.08, 195,764.27 and 40,527.20 is: 60,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,489.08 : 195,764.27 = 40,527.20 : x
  2. Step 2: Convert to fraction form
    130,489.08/195,764.27 = 40,527.20/x
  3. Step 3: Cross multiply
    130,489.08x = 195,764.27 × 40,527.20
  4. Step 4: Simplify right side
    130,489.08x = 7,933,776,541.69
  5. Step 5: Solve for x
    x = 7,933,776,541.69/130,489.08
  6. Step 6: Final answer
    x = 60,800.31

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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.