Home / 106,317.20-159,475.80-53,173.10

Finding the Fourth Proportional to 106,317.20, 159,475.80 and 53,173.10

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Solution

The fourth proportional to 106,317.20, 159,475.80 and 53,173.10 is: 79,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,317.20 : 159,475.80 = 53,173.10 : x
  2. Step 2: Convert to fraction form
    106,317.20/159,475.80 = 53,173.10/x
  3. Step 3: Cross multiply
    106,317.20x = 159,475.80 × 53,173.10
  4. Step 4: Simplify right side
    106,317.20x = 8,479,822,660.98
  5. Step 5: Solve for x
    x = 8,479,822,660.98/106,317.20
  6. Step 6: Final answer
    x = 79,759.65

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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.