Home / 157,255.32-216,995.85-91,846.20

Finding the Fourth Proportional to 157,255.32, 216,995.85 and 91,846.20

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Solution

The fourth proportional to 157,255.32, 216,995.85 and 91,846.20 is: 126,738.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,255.32 : 216,995.85 = 91,846.20 : x
  2. Step 2: Convert to fraction form
    157,255.32/216,995.85 = 91,846.20/x
  3. Step 3: Cross multiply
    157,255.32x = 216,995.85 × 91,846.20
  4. Step 4: Simplify right side
    157,255.32x = 19,930,244,238.27
  5. Step 5: Solve for x
    x = 19,930,244,238.27/157,255.32
  6. Step 6: Final answer
    x = 126,738.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.