Home / 356,325.24-491,728.02-192,981.25

Finding the Fourth Proportional to 356,325.24, 491,728.02 and 192,981.25

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Solution

The fourth proportional to 356,325.24, 491,728.02 and 192,981.25 is: 266,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,325.24 : 491,728.02 = 192,981.25 : x
  2. Step 2: Convert to fraction form
    356,325.24/491,728.02 = 192,981.25/x
  3. Step 3: Cross multiply
    356,325.24x = 491,728.02 × 192,981.25
  4. Step 4: Simplify right side
    356,325.24x = 94,894,287,850.61
  5. Step 5: Solve for x
    x = 94,894,287,850.61/356,325.24
  6. Step 6: Final answer
    x = 266,313.68

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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.