Home / 293,134.20-439,701.30-266,015.40

Finding the Fourth Proportional to 293,134.20, 439,701.30 and 266,015.40

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Solution

The fourth proportional to 293,134.20, 439,701.30 and 266,015.40 is: 399,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,134.20 : 439,701.30 = 266,015.40 : x
  2. Step 2: Convert to fraction form
    293,134.20/439,701.30 = 266,015.40/x
  3. Step 3: Cross multiply
    293,134.20x = 439,701.30 × 266,015.40
  4. Step 4: Simplify right side
    293,134.20x = 116,967,317,200.02
  5. Step 5: Solve for x
    x = 116,967,317,200.02/293,134.20
  6. Step 6: Final answer
    x = 399,023.10

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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.