Home / 276,134.06-413,536.79-157,445.57

Finding the Fourth Proportional to 276,134.06, 413,536.79 and 157,445.57

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Solution

The fourth proportional to 276,134.06, 413,536.79 and 157,445.57 is: 235,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,134.06 : 413,536.79 = 157,445.57 : x
  2. Step 2: Convert to fraction form
    276,134.06/413,536.79 = 157,445.57/x
  3. Step 3: Cross multiply
    276,134.06x = 413,536.79 × 157,445.57
  4. Step 4: Simplify right side
    276,134.06x = 65,109,536,651.36
  5. Step 5: Solve for x
    x = 65,109,536,651.36/276,134.06
  6. Step 6: Final answer
    x = 235,789.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.