Home / 356,020.85-491,309.51-194,886.19

Finding the Fourth Proportional to 356,020.85, 491,309.51 and 194,886.19

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Solution

The fourth proportional to 356,020.85, 491,309.51 and 194,886.19 is: 268,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,020.85 : 491,309.51 = 194,886.19 : x
  2. Step 2: Convert to fraction form
    356,020.85/491,309.51 = 194,886.19/x
  3. Step 3: Cross multiply
    356,020.85x = 491,309.51 × 194,886.19
  4. Step 4: Simplify right side
    356,020.85x = 95,749,438,154.37
  5. Step 5: Solve for x
    x = 95,749,438,154.37/356,020.85
  6. Step 6: Final answer
    x = 268,943.34

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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.