Home / 113,220.80-169,847.40-34,341.20

Finding the Fourth Proportional to 113,220.80, 169,847.40 and 34,341.20

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Solution

The fourth proportional to 113,220.80, 169,847.40 and 34,341.20 is: 51,516.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,220.80 : 169,847.40 = 34,341.20 : x
  2. Step 2: Convert to fraction form
    113,220.80/169,847.40 = 34,341.20/x
  3. Step 3: Cross multiply
    113,220.80x = 169,847.40 × 34,341.20
  4. Step 4: Simplify right side
    113,220.80x = 5,832,763,532.88
  5. Step 5: Solve for x
    x = 5,832,763,532.88/113,220.80
  6. Step 6: Final answer
    x = 51,516.71

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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.