Home / 236,744.30-355,134.98-78,972.62

Finding the Fourth Proportional to 236,744.30, 355,134.98 and 78,972.62

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Solution

The fourth proportional to 236,744.30, 355,134.98 and 78,972.62 is: 118,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,744.30 : 355,134.98 = 78,972.62 : x
  2. Step 2: Convert to fraction form
    236,744.30/355,134.98 = 78,972.62/x
  3. Step 3: Cross multiply
    236,744.30x = 355,134.98 × 78,972.62
  4. Step 4: Simplify right side
    236,744.30x = 28,045,938,246.00
  5. Step 5: Solve for x
    x = 28,045,938,246.00/236,744.30
  6. Step 6: Final answer
    x = 118,465.10

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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.