Home / 111,186.19-153,436.73-60,198.91

Finding the Fourth Proportional to 111,186.19, 153,436.73 and 60,198.91

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Solution

The fourth proportional to 111,186.19, 153,436.73 and 60,198.91 is: 83,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,186.19 : 153,436.73 = 60,198.91 : x
  2. Step 2: Convert to fraction form
    111,186.19/153,436.73 = 60,198.91/x
  3. Step 3: Cross multiply
    111,186.19x = 153,436.73 × 60,198.91
  4. Step 4: Simplify right side
    111,186.19x = 9,236,724,125.71
  5. Step 5: Solve for x
    x = 9,236,724,125.71/111,186.19
  6. Step 6: Final answer
    x = 83,074.39

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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.