Home / 111,336.21-153,643.41-60,348.75

Finding the Fourth Proportional to 111,336.21, 153,643.41 and 60,348.75

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Solution

The fourth proportional to 111,336.21, 153,643.41 and 60,348.75 is: 83,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,336.21 : 153,643.41 = 60,348.75 : x
  2. Step 2: Convert to fraction form
    111,336.21/153,643.41 = 60,348.75/x
  3. Step 3: Cross multiply
    111,336.21x = 153,643.41 × 60,348.75
  4. Step 4: Simplify right side
    111,336.21x = 9,272,187,739.24
  5. Step 5: Solve for x
    x = 9,272,187,739.24/111,336.21
  6. Step 6: Final answer
    x = 83,280.97

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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.