Home / 244,710.40-367,065.60-78,515.20

Finding the Fourth Proportional to 244,710.40, 367,065.60 and 78,515.20

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Solution

The fourth proportional to 244,710.40, 367,065.60 and 78,515.20 is: 117,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,710.40 : 367,065.60 = 78,515.20 : x
  2. Step 2: Convert to fraction form
    244,710.40/367,065.60 = 78,515.20/x
  3. Step 3: Cross multiply
    244,710.40x = 367,065.60 × 78,515.20
  4. Step 4: Simplify right side
    244,710.40x = 28,820,228,997.12
  5. Step 5: Solve for x
    x = 28,820,228,997.12/244,710.40
  6. Step 6: Final answer
    x = 117,772.80

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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.