Home / 170,519.28-255,778.56-45,860.40

Finding the Fourth Proportional to 170,519.28, 255,778.56 and 45,860.40

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Solution

The fourth proportional to 170,519.28, 255,778.56 and 45,860.40 is: 68,790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,519.28 : 255,778.56 = 45,860.40 : x
  2. Step 2: Convert to fraction form
    170,519.28/255,778.56 = 45,860.40/x
  3. Step 3: Cross multiply
    170,519.28x = 255,778.56 × 45,860.40
  4. Step 4: Simplify right side
    170,519.28x = 11,730,107,073.02
  5. Step 5: Solve for x
    x = 11,730,107,073.02/170,519.28
  6. Step 6: Final answer
    x = 68,790.50

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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.