Home / 293,828.72-440,743.07-83,439.32

Finding the Fourth Proportional to 293,828.72, 440,743.07 and 83,439.32

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Solution

The fourth proportional to 293,828.72, 440,743.07 and 83,439.32 is: 125,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,828.72 : 440,743.07 = 83,439.32 : x
  2. Step 2: Convert to fraction form
    293,828.72/440,743.07 = 83,439.32/x
  3. Step 3: Cross multiply
    293,828.72x = 440,743.07 × 83,439.32
  4. Step 4: Simplify right side
    293,828.72x = 36,775,300,060.40
  5. Step 5: Solve for x
    x = 36,775,300,060.40/293,828.72
  6. Step 6: Final answer
    x = 125,158.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.