Home / 343,724.32-474,640.86-214,883.02

Finding the Fourth Proportional to 343,724.32, 474,640.86 and 214,883.02

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Solution

The fourth proportional to 343,724.32, 474,640.86 and 214,883.02 is: 296,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,724.32 : 474,640.86 = 214,883.02 : x
  2. Step 2: Convert to fraction form
    343,724.32/474,640.86 = 214,883.02/x
  3. Step 3: Cross multiply
    343,724.32x = 474,640.86 × 214,883.02
  4. Step 4: Simplify right side
    343,724.32x = 101,992,261,412.20
  5. Step 5: Solve for x
    x = 101,992,261,412.20/343,724.32
  6. Step 6: Final answer
    x = 296,726.93

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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.