Home / 170,478.15-255,708.01-52,149.50

Finding the Fourth Proportional to 170,478.15, 255,708.01 and 52,149.50

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Solution

The fourth proportional to 170,478.15, 255,708.01 and 52,149.50 is: 78,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,478.15 : 255,708.01 = 52,149.50 : x
  2. Step 2: Convert to fraction form
    170,478.15/255,708.01 = 52,149.50/x
  3. Step 3: Cross multiply
    170,478.15x = 255,708.01 × 52,149.50
  4. Step 4: Simplify right side
    170,478.15x = 13,335,044,867.50
  5. Step 5: Solve for x
    x = 13,335,044,867.50/170,478.15
  6. Step 6: Final answer
    x = 78,221.43

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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.