Home / 111,187.06-153,436.31-60,199.38

Finding the Fourth Proportional to 111,187.06, 153,436.31 and 60,199.38

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Solution

The fourth proportional to 111,187.06, 153,436.31 and 60,199.38 is: 83,074.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,187.06 : 153,436.31 = 60,199.38 : x
  2. Step 2: Convert to fraction form
    111,187.06/153,436.31 = 60,199.38/x
  3. Step 3: Cross multiply
    111,187.06x = 153,436.31 × 60,199.38
  4. Step 4: Simplify right side
    111,187.06x = 9,236,770,430.49
  5. Step 5: Solve for x
    x = 9,236,770,430.49/111,187.06
  6. Step 6: Final answer
    x = 83,074.15

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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.