Home / 170,857.17-256,286.70-112,065.21

Finding the Fourth Proportional to 170,857.17, 256,286.70 and 112,065.21

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Solution

The fourth proportional to 170,857.17, 256,286.70 and 112,065.21 is: 168,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,857.17 : 256,286.70 = 112,065.21 : x
  2. Step 2: Convert to fraction form
    170,857.17/256,286.70 = 112,065.21/x
  3. Step 3: Cross multiply
    170,857.17x = 256,286.70 × 112,065.21
  4. Step 4: Simplify right side
    170,857.17x = 28,720,822,855.71
  5. Step 5: Solve for x
    x = 28,720,822,855.71/170,857.17
  6. Step 6: Final answer
    x = 168,098.43

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1.5x scale

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.