Home / 247,186.94-370,764.69-78,828.04

Finding the Fourth Proportional to 247,186.94, 370,764.69 and 78,828.04

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Solution

The fourth proportional to 247,186.94, 370,764.69 and 78,828.04 is: 118,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,186.94 : 370,764.69 = 78,828.04 : x
  2. Step 2: Convert to fraction form
    247,186.94/370,764.69 = 78,828.04/x
  3. Step 3: Cross multiply
    247,186.94x = 370,764.69 × 78,828.04
  4. Step 4: Simplify right side
    247,186.94x = 29,226,652,339.61
  5. Step 5: Solve for x
    x = 29,226,652,339.61/247,186.94
  6. Step 6: Final answer
    x = 118,237.04

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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.