Home / 113,184.70-156,208.43-67,887.61

Finding the Fourth Proportional to 113,184.70, 156,208.43 and 67,887.61

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Solution

The fourth proportional to 113,184.70, 156,208.43 and 67,887.61 is: 93,693.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,184.70 : 156,208.43 = 67,887.61 : x
  2. Step 2: Convert to fraction form
    113,184.70/156,208.43 = 67,887.61/x
  3. Step 3: Cross multiply
    113,184.70x = 156,208.43 × 67,887.61
  4. Step 4: Simplify right side
    113,184.70x = 10,604,616,974.55
  5. Step 5: Solve for x
    x = 10,604,616,974.55/113,184.70
  6. Step 6: Final answer
    x = 93,693.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.