Home / 236,937.08-355,353.14-68,420.72

Finding the Fourth Proportional to 236,937.08, 355,353.14 and 68,420.72

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Solution

The fourth proportional to 236,937.08, 355,353.14 and 68,420.72 is: 102,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,937.08 : 355,353.14 = 68,420.72 : x
  2. Step 2: Convert to fraction form
    236,937.08/355,353.14 = 68,420.72/x
  3. Step 3: Cross multiply
    236,937.08x = 355,353.14 × 68,420.72
  4. Step 4: Simplify right side
    236,937.08x = 24,313,517,693.06
  5. Step 5: Solve for x
    x = 24,313,517,693.06/236,937.08
  6. Step 6: Final answer
    x = 102,615.93

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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.