Home / 106,415.20-159,644.40-36,301.60

Finding the Fourth Proportional to 106,415.20, 159,644.40 and 36,301.60

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Solution

The fourth proportional to 106,415.20, 159,644.40 and 36,301.60 is: 54,459.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,415.20 : 159,644.40 = 36,301.60 : x
  2. Step 2: Convert to fraction form
    106,415.20/159,644.40 = 36,301.60/x
  3. Step 3: Cross multiply
    106,415.20x = 159,644.40 × 36,301.60
  4. Step 4: Simplify right side
    106,415.20x = 5,795,347,151.04
  5. Step 5: Solve for x
    x = 5,795,347,151.04/106,415.20
  6. Step 6: Final answer
    x = 54,459.77

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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.