Home / 220,129.10-330,216.83-70,334.18

Finding the Fourth Proportional to 220,129.10, 330,216.83 and 70,334.18

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Solution

The fourth proportional to 220,129.10, 330,216.83 and 70,334.18 is: 105,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,129.10 : 330,216.83 = 70,334.18 : x
  2. Step 2: Convert to fraction form
    220,129.10/330,216.83 = 70,334.18/x
  3. Step 3: Cross multiply
    220,129.10x = 330,216.83 × 70,334.18
  4. Step 4: Simplify right side
    220,129.10x = 23,225,529,960.25
  5. Step 5: Solve for x
    x = 23,225,529,960.25/220,129.10
  6. Step 6: Final answer
    x = 105,508.68

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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.