Home / 111,187.44-153,438.75-60,200.20

Finding the Fourth Proportional to 111,187.44, 153,438.75 and 60,200.20

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Solution

The fourth proportional to 111,187.44, 153,438.75 and 60,200.20 is: 83,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,187.44 : 153,438.75 = 60,200.20 : x
  2. Step 2: Convert to fraction form
    111,187.44/153,438.75 = 60,200.20/x
  3. Step 3: Cross multiply
    111,187.44x = 153,438.75 × 60,200.20
  4. Step 4: Simplify right side
    111,187.44x = 9,237,043,437.75
  5. Step 5: Solve for x
    x = 9,237,043,437.75/111,187.44
  6. Step 6: Final answer
    x = 83,076.32

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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.