Home / 113,210.80-169,816.20-34,321.12

Finding the Fourth Proportional to 113,210.80, 169,816.20 and 34,321.12

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Solution

The fourth proportional to 113,210.80, 169,816.20 and 34,321.12 is: 51,481.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,210.80 : 169,816.20 = 34,321.12 : x
  2. Step 2: Convert to fraction form
    113,210.80/169,816.20 = 34,321.12/x
  3. Step 3: Cross multiply
    113,210.80x = 169,816.20 × 34,321.12
  4. Step 4: Simplify right side
    113,210.80x = 5,828,282,178.14
  5. Step 5: Solve for x
    x = 5,828,282,178.14/113,210.80
  6. Step 6: Final answer
    x = 51,481.68

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Similar ratio
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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.