Home / 108,401.20-162,650.40-49,206.40

Finding the Fourth Proportional to 108,401.20, 162,650.40 and 49,206.40

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Solution

The fourth proportional to 108,401.20, 162,650.40 and 49,206.40 is: 73,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,401.20 : 162,650.40 = 49,206.40 : x
  2. Step 2: Convert to fraction form
    108,401.20/162,650.40 = 49,206.40/x
  3. Step 3: Cross multiply
    108,401.20x = 162,650.40 × 49,206.40
  4. Step 4: Simplify right side
    108,401.20x = 8,003,440,642.56
  5. Step 5: Solve for x
    x = 8,003,440,642.56/108,401.20
  6. Step 6: Final answer
    x = 73,831.66

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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.