Home / 293,018.28-439,527.38-105,986.04

Finding the Fourth Proportional to 293,018.28, 439,527.38 and 105,986.04

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Solution

The fourth proportional to 293,018.28, 439,527.38 and 105,986.04 is: 158,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,018.28 : 439,527.38 = 105,986.04 : x
  2. Step 2: Convert to fraction form
    293,018.28/439,527.38 = 105,986.04/x
  3. Step 3: Cross multiply
    293,018.28x = 439,527.38 × 105,986.04
  4. Step 4: Simplify right side
    293,018.28x = 46,583,766,477.78
  5. Step 5: Solve for x
    x = 46,583,766,477.78/293,018.28
  6. Step 6: Final answer
    x = 158,979.05

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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.