Home / 112,294.28-154,781.44-79,599.65

Finding the Fourth Proportional to 112,294.28, 154,781.44 and 79,599.65

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Solution

The fourth proportional to 112,294.28, 154,781.44 and 79,599.65 is: 109,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,294.28 : 154,781.44 = 79,599.65 : x
  2. Step 2: Convert to fraction form
    112,294.28/154,781.44 = 79,599.65/x
  3. Step 3: Cross multiply
    112,294.28x = 154,781.44 × 79,599.65
  4. Step 4: Simplify right side
    112,294.28x = 12,320,547,477.59
  5. Step 5: Solve for x
    x = 12,320,547,477.59/112,294.28
  6. Step 6: Final answer
    x = 109,716.61

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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.