Home / 437,182.20-655,643.70-170,789.40

Finding the Fourth Proportional to 437,182.20, 655,643.70 and 170,789.40

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Solution

The fourth proportional to 437,182.20, 655,643.70 and 170,789.40 is: 256,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,182.20 : 655,643.70 = 170,789.40 : x
  2. Step 2: Convert to fraction form
    437,182.20/655,643.70 = 170,789.40/x
  3. Step 3: Cross multiply
    437,182.20x = 655,643.70 × 170,789.40
  4. Step 4: Simplify right side
    437,182.20x = 111,976,994,136.78
  5. Step 5: Solve for x
    x = 111,976,994,136.78/437,182.20
  6. Step 6: Final answer
    x = 256,133.47

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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.