Home / 170,143.72-255,196.14-45,494.44

Finding the Fourth Proportional to 170,143.72, 255,196.14 and 45,494.44

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Solution

The fourth proportional to 170,143.72, 255,196.14 and 45,494.44 is: 68,236.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,143.72 : 255,196.14 = 45,494.44 : x
  2. Step 2: Convert to fraction form
    170,143.72/255,196.14 = 45,494.44/x
  3. Step 3: Cross multiply
    170,143.72x = 255,196.14 × 45,494.44
  4. Step 4: Simplify right side
    170,143.72x = 11,610,005,479.46
  5. Step 5: Solve for x
    x = 11,610,005,479.46/170,143.72
  6. Step 6: Final answer
    x = 68,236.46

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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.