Home / 126,822.20-190,233.30-64,614.20

Finding the Fourth Proportional to 126,822.20, 190,233.30 and 64,614.20

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Solution

The fourth proportional to 126,822.20, 190,233.30 and 64,614.20 is: 96,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,822.20 : 190,233.30 = 64,614.20 : x
  2. Step 2: Convert to fraction form
    126,822.20/190,233.30 = 64,614.20/x
  3. Step 3: Cross multiply
    126,822.20x = 190,233.30 × 64,614.20
  4. Step 4: Simplify right side
    126,822.20x = 12,291,772,492.86
  5. Step 5: Solve for x
    x = 12,291,772,492.86/126,822.20
  6. Step 6: Final answer
    x = 96,921.30

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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.