Home / 112,233.05-154,908.20-64,514.12

Finding the Fourth Proportional to 112,233.05, 154,908.20 and 64,514.12

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Solution

The fourth proportional to 112,233.05, 154,908.20 and 64,514.12 is: 89,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,233.05 : 154,908.20 = 64,514.12 : x
  2. Step 2: Convert to fraction form
    112,233.05/154,908.20 = 64,514.12/x
  3. Step 3: Cross multiply
    112,233.05x = 154,908.20 × 64,514.12
  4. Step 4: Simplify right side
    112,233.05x = 9,993,765,106.67
  5. Step 5: Solve for x
    x = 9,993,765,106.67/112,233.05
  6. Step 6: Final answer
    x = 89,044.76

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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.