Home / 356,213.89-491,569.21-192,869.05

Finding the Fourth Proportional to 356,213.89, 491,569.21 and 192,869.05

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Solution

The fourth proportional to 356,213.89, 491,569.21 and 192,869.05 is: 266,156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,213.89 : 491,569.21 = 192,869.05 : x
  2. Step 2: Convert to fraction form
    356,213.89/491,569.21 = 192,869.05/x
  3. Step 3: Cross multiply
    356,213.89x = 491,569.21 × 192,869.05
  4. Step 4: Simplify right side
    356,213.89x = 94,808,486,541.95
  5. Step 5: Solve for x
    x = 94,808,486,541.95/356,213.89
  6. Step 6: Final answer
    x = 266,156.06

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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.