Home / 243,789.28-336,411.84-141,830.80

Finding the Fourth Proportional to 243,789.28, 336,411.84 and 141,830.80

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Solution

The fourth proportional to 243,789.28, 336,411.84 and 141,830.80 is: 195,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,789.28 : 336,411.84 = 141,830.80 : x
  2. Step 2: Convert to fraction form
    243,789.28/336,411.84 = 141,830.80/x
  3. Step 3: Cross multiply
    243,789.28x = 336,411.84 × 141,830.80
  4. Step 4: Simplify right side
    243,789.28x = 47,713,560,396.67
  5. Step 5: Solve for x
    x = 47,713,560,396.67/243,789.28
  6. Step 6: Final answer
    x = 195,716.40

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1.5x scale

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.