Home / 112,202.91-154,853.70-64,456.14

Finding the Fourth Proportional to 112,202.91, 154,853.70 and 64,456.14

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Solution

The fourth proportional to 112,202.91, 154,853.70 and 64,456.14 is: 88,957.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,202.91 : 154,853.70 = 64,456.14 : x
  2. Step 2: Convert to fraction form
    112,202.91/154,853.70 = 64,456.14/x
  3. Step 3: Cross multiply
    112,202.91x = 154,853.70 × 64,456.14
  4. Step 4: Simplify right side
    112,202.91x = 9,981,270,992.45
  5. Step 5: Solve for x
    x = 9,981,270,992.45/112,202.91
  6. Step 6: Final answer
    x = 88,957.33

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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.