Home / 343,517.10-474,056.45-190,565.31

Finding the Fourth Proportional to 343,517.10, 474,056.45 and 190,565.31

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Solution

The fourth proportional to 343,517.10, 474,056.45 and 190,565.31 is: 262,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,517.10 : 474,056.45 = 190,565.31 : x
  2. Step 2: Convert to fraction form
    343,517.10/474,056.45 = 190,565.31/x
  3. Step 3: Cross multiply
    343,517.10x = 474,056.45 × 190,565.31
  4. Step 4: Simplify right side
    343,517.10x = 90,338,713,398.92
  5. Step 5: Solve for x
    x = 90,338,713,398.92/343,517.10
  6. Step 6: Final answer
    x = 262,981.71

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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.