Home / 293,470.12-440,136.38-93,808.36

Finding the Fourth Proportional to 293,470.12, 440,136.38 and 93,808.36

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Solution

The fourth proportional to 293,470.12, 440,136.38 and 93,808.36 is: 140,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,470.12 : 440,136.38 = 93,808.36 : x
  2. Step 2: Convert to fraction form
    293,470.12/440,136.38 = 93,808.36/x
  3. Step 3: Cross multiply
    293,470.12x = 440,136.38 × 93,808.36
  4. Step 4: Simplify right side
    293,470.12x = 41,288,471,984.14
  5. Step 5: Solve for x
    x = 41,288,471,984.14/293,470.12
  6. Step 6: Final answer
    x = 140,690.55

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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.