Home / 170,143.74-255,215.61-45,481.50

Finding the Fourth Proportional to 170,143.74, 255,215.61 and 45,481.50

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Solution

The fourth proportional to 170,143.74, 255,215.61 and 45,481.50 is: 68,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,143.74 : 255,215.61 = 45,481.50 : x
  2. Step 2: Convert to fraction form
    170,143.74/255,215.61 = 45,481.50/x
  3. Step 3: Cross multiply
    170,143.74x = 255,215.61 × 45,481.50
  4. Step 4: Simplify right side
    170,143.74x = 11,607,588,766.22
  5. Step 5: Solve for x
    x = 11,607,588,766.22/170,143.74
  6. Step 6: Final answer
    x = 68,222.25

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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.