Home / 146,997.36-220,624.02-83,943.72

Finding the Fourth Proportional to 146,997.36, 220,624.02 and 83,943.72

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Solution

The fourth proportional to 146,997.36, 220,624.02 and 83,943.72 is: 125,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,997.36 : 220,624.02 = 83,943.72 : x
  2. Step 2: Convert to fraction form
    146,997.36/220,624.02 = 83,943.72/x
  3. Step 3: Cross multiply
    146,997.36x = 220,624.02 × 83,943.72
  4. Step 4: Simplify right side
    146,997.36x = 18,520,000,960.15
  5. Step 5: Solve for x
    x = 18,520,000,960.15/146,997.36
  6. Step 6: Final answer
    x = 125,988.66

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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.