Home / 106,522.40-159,589.20-64,920.80

Finding the Fourth Proportional to 106,522.40, 159,589.20 and 64,920.80

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Solution

The fourth proportional to 106,522.40, 159,589.20 and 64,920.80 is: 97,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,522.40 : 159,589.20 = 64,920.80 : x
  2. Step 2: Convert to fraction form
    106,522.40/159,589.20 = 64,920.80/x
  3. Step 3: Cross multiply
    106,522.40x = 159,589.20 × 64,920.80
  4. Step 4: Simplify right side
    106,522.40x = 10,360,658,535.36
  5. Step 5: Solve for x
    x = 10,360,658,535.36/106,522.40
  6. Step 6: Final answer
    x = 97,262.72

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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.