Home / 170,949.32-256,434.92-65,768.28

Finding the Fourth Proportional to 170,949.32, 256,434.92 and 65,768.28

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Solution

The fourth proportional to 170,949.32, 256,434.92 and 65,768.28 is: 98,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,949.32 : 256,434.92 = 65,768.28 : x
  2. Step 2: Convert to fraction form
    170,949.32/256,434.92 = 65,768.28/x
  3. Step 3: Cross multiply
    170,949.32x = 256,434.92 × 65,768.28
  4. Step 4: Simplify right side
    170,949.32x = 16,865,283,291.50
  5. Step 5: Solve for x
    x = 16,865,283,291.50/170,949.32
  6. Step 6: Final answer
    x = 98,656.63

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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.