Home / 343,834.80-474,468.24-190,860.96

Finding the Fourth Proportional to 343,834.80, 474,468.24 and 190,860.96

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Solution

The fourth proportional to 343,834.80, 474,468.24 and 190,860.96 is: 263,374.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,834.80 : 474,468.24 = 190,860.96 : x
  2. Step 2: Convert to fraction form
    343,834.80/474,468.24 = 190,860.96/x
  3. Step 3: Cross multiply
    343,834.80x = 474,468.24 × 190,860.96
  4. Step 4: Simplify right side
    343,834.80x = 90,557,463,775.91
  5. Step 5: Solve for x
    x = 90,557,463,775.91/343,834.80
  6. Step 6: Final answer
    x = 263,374.92

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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.