Home / 170,630.08-255,945.12-87,471.04

Finding the Fourth Proportional to 170,630.08, 255,945.12 and 87,471.04

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Solution

The fourth proportional to 170,630.08, 255,945.12 and 87,471.04 is: 131,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,630.08 : 255,945.12 = 87,471.04 : x
  2. Step 2: Convert to fraction form
    170,630.08/255,945.12 = 87,471.04/x
  3. Step 3: Cross multiply
    170,630.08x = 255,945.12 × 87,471.04
  4. Step 4: Simplify right side
    170,630.08x = 22,387,785,829.32
  5. Step 5: Solve for x
    x = 22,387,785,829.32/170,630.08
  6. Step 6: Final answer
    x = 131,206.56

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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.