Home / 111,156.24-153,399.48-60,855.60

Finding the Fourth Proportional to 111,156.24, 153,399.48 and 60,855.60

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Solution

The fourth proportional to 111,156.24, 153,399.48 and 60,855.60 is: 83,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,156.24 : 153,399.48 = 60,855.60 : x
  2. Step 2: Convert to fraction form
    111,156.24/153,399.48 = 60,855.60/x
  3. Step 3: Cross multiply
    111,156.24x = 153,399.48 × 60,855.60
  4. Step 4: Simplify right side
    111,156.24x = 9,335,217,395.09
  5. Step 5: Solve for x
    x = 9,335,217,395.09/111,156.24
  6. Step 6: Final answer
    x = 83,982.85

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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.