Home / 111,187.60-153,438.99-60,200.37

Finding the Fourth Proportional to 111,187.60, 153,438.99 and 60,200.37

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Solution

The fourth proportional to 111,187.60, 153,438.99 and 60,200.37 is: 83,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,187.60 : 153,438.99 = 60,200.37 : x
  2. Step 2: Convert to fraction form
    111,187.60/153,438.99 = 60,200.37/x
  3. Step 3: Cross multiply
    111,187.60x = 153,438.99 × 60,200.37
  4. Step 4: Simplify right side
    111,187.60x = 9,237,083,970.43
  5. Step 5: Solve for x
    x = 9,237,083,970.43/111,187.60
  6. Step 6: Final answer
    x = 83,076.57

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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.