Home / 358,187.02-494,287.80-194,838.38

Finding the Fourth Proportional to 358,187.02, 494,287.80 and 194,838.38

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Solution

The fourth proportional to 358,187.02, 494,287.80 and 194,838.38 is: 268,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,187.02 : 494,287.80 = 194,838.38 : x
  2. Step 2: Convert to fraction form
    358,187.02/494,287.80 = 194,838.38/x
  3. Step 3: Cross multiply
    358,187.02x = 494,287.80 × 194,838.38
  4. Step 4: Simplify right side
    358,187.02x = 96,306,234,205.76
  5. Step 5: Solve for x
    x = 96,306,234,205.76/358,187.02
  6. Step 6: Final answer
    x = 268,871.37

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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.