Home / 167,065.12-230,456.81-99,016.62

Finding the Fourth Proportional to 167,065.12, 230,456.81 and 99,016.62

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Solution

The fourth proportional to 167,065.12, 230,456.81 and 99,016.62 is: 136,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,065.12 : 230,456.81 = 99,016.62 : x
  2. Step 2: Convert to fraction form
    167,065.12/230,456.81 = 99,016.62/x
  3. Step 3: Cross multiply
    167,065.12x = 230,456.81 × 99,016.62
  4. Step 4: Simplify right side
    167,065.12x = 22,819,054,382.18
  5. Step 5: Solve for x
    x = 22,819,054,382.18/167,065.12
  6. Step 6: Final answer
    x = 136,587.78

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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.