Home / 166,854.17-250,170.04-86,695.15

Finding the Fourth Proportional to 166,854.17, 250,170.04 and 86,695.15

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Solution

The fourth proportional to 166,854.17, 250,170.04 and 86,695.15 is: 129,984.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,854.17 : 250,170.04 = 86,695.15 : x
  2. Step 2: Convert to fraction form
    166,854.17/250,170.04 = 86,695.15/x
  3. Step 3: Cross multiply
    166,854.17x = 250,170.04 × 86,695.15
  4. Step 4: Simplify right side
    166,854.17x = 21,688,529,143.31
  5. Step 5: Solve for x
    x = 21,688,529,143.31/166,854.17
  6. Step 6: Final answer
    x = 129,984.94

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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.