Home / 221,595.28-305,767.74-124,794.04

Finding the Fourth Proportional to 221,595.28, 305,767.74 and 124,794.04

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Solution

The fourth proportional to 221,595.28, 305,767.74 and 124,794.04 is: 172,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,595.28 : 305,767.74 = 124,794.04 : x
  2. Step 2: Convert to fraction form
    221,595.28/305,767.74 = 124,794.04/x
  3. Step 3: Cross multiply
    221,595.28x = 305,767.74 × 124,794.04
  4. Step 4: Simplify right side
    221,595.28x = 38,157,991,716.72
  5. Step 5: Solve for x
    x = 38,157,991,716.72/221,595.28
  6. Step 6: Final answer
    x = 172,196.77

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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.