Home / 211,288.92-291,581.28-115,793.57

Finding the Fourth Proportional to 211,288.92, 291,581.28 and 115,793.57

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Solution

The fourth proportional to 211,288.92, 291,581.28 and 115,793.57 is: 159,796.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,288.92 : 291,581.28 = 115,793.57 : x
  2. Step 2: Convert to fraction form
    211,288.92/291,581.28 = 115,793.57/x
  3. Step 3: Cross multiply
    211,288.92x = 291,581.28 × 115,793.57
  4. Step 4: Simplify right side
    211,288.92x = 33,763,235,898.46
  5. Step 5: Solve for x
    x = 33,763,235,898.46/211,288.92
  6. Step 6: Final answer
    x = 159,796.53

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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.