Home / 356,359.03-491,776.02-195,210.54

Finding the Fourth Proportional to 356,359.03, 491,776.02 and 195,210.54

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Solution

The fourth proportional to 356,359.03, 491,776.02 and 195,210.54 is: 269,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,359.03 : 491,776.02 = 195,210.54 : x
  2. Step 2: Convert to fraction form
    356,359.03/491,776.02 = 195,210.54/x
  3. Step 3: Cross multiply
    356,359.03x = 491,776.02 × 195,210.54
  4. Step 4: Simplify right side
    356,359.03x = 95,999,862,423.25
  5. Step 5: Solve for x
    x = 95,999,862,423.25/356,359.03
  6. Step 6: Final answer
    x = 269,390.85

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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.