Home / 157,256.32-216,997.23-91,847.20

Finding the Fourth Proportional to 157,256.32, 216,997.23 and 91,847.20

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Solution

The fourth proportional to 157,256.32, 216,997.23 and 91,847.20 is: 126,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,256.32 : 216,997.23 = 91,847.20 : x
  2. Step 2: Convert to fraction form
    157,256.32/216,997.23 = 91,847.20/x
  3. Step 3: Cross multiply
    157,256.32x = 216,997.23 × 91,847.20
  4. Step 4: Simplify right side
    157,256.32x = 19,930,587,983.26
  5. Step 5: Solve for x
    x = 19,930,587,983.26/157,256.32
  6. Step 6: Final answer
    x = 126,739.50

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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.