Home / 354,789.80-532,184.68-130,065.28

Finding the Fourth Proportional to 354,789.80, 532,184.68 and 130,065.28

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Solution

The fourth proportional to 354,789.80, 532,184.68 and 130,065.28 is: 195,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,789.80 : 532,184.68 = 130,065.28 : x
  2. Step 2: Convert to fraction form
    354,789.80/532,184.68 = 130,065.28/x
  3. Step 3: Cross multiply
    354,789.80x = 532,184.68 × 130,065.28
  4. Step 4: Simplify right side
    354,789.80x = 69,218,749,415.91
  5. Step 5: Solve for x
    x = 69,218,749,415.91/354,789.80
  6. Step 6: Final answer
    x = 195,097.91

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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.