Home / 356,015.61-491,301.18-194,869.22

Finding the Fourth Proportional to 356,015.61, 491,301.18 and 194,869.22

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Solution

The fourth proportional to 356,015.61, 491,301.18 and 194,869.22 is: 268,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,015.61 : 491,301.18 = 194,869.22 : x
  2. Step 2: Convert to fraction form
    356,015.61/491,301.18 = 194,869.22/x
  3. Step 3: Cross multiply
    356,015.61x = 491,301.18 × 194,869.22
  4. Step 4: Simplify right side
    356,015.61x = 95,739,475,275.17
  5. Step 5: Solve for x
    x = 95,739,475,275.17/356,015.61
  6. Step 6: Final answer
    x = 268,919.32

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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.