Home / 147,133.44-220,722.12-68,255.64

Finding the Fourth Proportional to 147,133.44, 220,722.12 and 68,255.64

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Solution

The fourth proportional to 147,133.44, 220,722.12 and 68,255.64 is: 102,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,133.44 : 220,722.12 = 68,255.64 : x
  2. Step 2: Convert to fraction form
    147,133.44/220,722.12 = 68,255.64/x
  3. Step 3: Cross multiply
    147,133.44x = 220,722.12 × 68,255.64
  4. Step 4: Simplify right side
    147,133.44x = 15,065,529,562.76
  5. Step 5: Solve for x
    x = 15,065,529,562.76/147,133.44
  6. Step 6: Final answer
    x = 102,393.65

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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.