Home / 170,847.10-256,270.65-111,864.70

Finding the Fourth Proportional to 170,847.10, 256,270.65 and 111,864.70

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Solution

The fourth proportional to 170,847.10, 256,270.65 and 111,864.70 is: 167,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,847.10 : 256,270.65 = 111,864.70 : x
  2. Step 2: Convert to fraction form
    170,847.10/256,270.65 = 111,864.70/x
  3. Step 3: Cross multiply
    170,847.10x = 256,270.65 × 111,864.70
  4. Step 4: Simplify right side
    170,847.10x = 28,667,639,381.06
  5. Step 5: Solve for x
    x = 28,667,639,381.06/170,847.10
  6. Step 6: Final answer
    x = 167,797.05

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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.