Home / 111,108.96-153,329.25-60,120.57

Finding the Fourth Proportional to 111,108.96, 153,329.25 and 60,120.57

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Solution

The fourth proportional to 111,108.96, 153,329.25 and 60,120.57 is: 82,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,108.96 : 153,329.25 = 60,120.57 : x
  2. Step 2: Convert to fraction form
    111,108.96/153,329.25 = 60,120.57/x
  3. Step 3: Cross multiply
    111,108.96x = 153,329.25 × 60,120.57
  4. Step 4: Simplify right side
    111,108.96x = 9,218,241,907.67
  5. Step 5: Solve for x
    x = 9,218,241,907.67/111,108.96
  6. Step 6: Final answer
    x = 82,965.78

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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.