Home / 146,491.62-202,173.50-89,135.10

Finding the Fourth Proportional to 146,491.62, 202,173.50 and 89,135.10

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Solution

The fourth proportional to 146,491.62, 202,173.50 and 89,135.10 is: 123,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,491.62 : 202,173.50 = 89,135.10 : x
  2. Step 2: Convert to fraction form
    146,491.62/202,173.50 = 89,135.10/x
  3. Step 3: Cross multiply
    146,491.62x = 202,173.50 × 89,135.10
  4. Step 4: Simplify right side
    146,491.62x = 18,020,755,139.85
  5. Step 5: Solve for x
    x = 18,020,755,139.85/146,491.62
  6. Step 6: Final answer
    x = 123,015.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.