Home / 111,187.35-153,438.65-60,200.12

Finding the Fourth Proportional to 111,187.35, 153,438.65 and 60,200.12

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Solution

The fourth proportional to 111,187.35, 153,438.65 and 60,200.12 is: 83,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,187.35 : 153,438.65 = 60,200.12 : x
  2. Step 2: Convert to fraction form
    111,187.35/153,438.65 = 60,200.12/x
  3. Step 3: Cross multiply
    111,187.35x = 153,438.65 × 60,200.12
  4. Step 4: Simplify right side
    111,187.35x = 9,237,024,074.44
  5. Step 5: Solve for x
    x = 9,237,024,074.44/111,187.35
  6. Step 6: Final answer
    x = 83,076.21

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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.