Home / 130,694.40-195,523.20-113,356.80

Finding the Fourth Proportional to 130,694.40, 195,523.20 and 113,356.80

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Solution

The fourth proportional to 130,694.40, 195,523.20 and 113,356.80 is: 169,585.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,694.40 : 195,523.20 = 113,356.80 : x
  2. Step 2: Convert to fraction form
    130,694.40/195,523.20 = 113,356.80/x
  3. Step 3: Cross multiply
    130,694.40x = 195,523.20 × 113,356.80
  4. Step 4: Simplify right side
    130,694.40x = 22,163,884,277.76
  5. Step 5: Solve for x
    x = 22,163,884,277.76/130,694.40
  6. Step 6: Final answer
    x = 169,585.57

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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.