Home / 114,470.40-171,625.60-67,699.20

Finding the Fourth Proportional to 114,470.40, 171,625.60 and 67,699.20

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Solution

The fourth proportional to 114,470.40, 171,625.60 and 67,699.20 is: 101,501.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,470.40 : 171,625.60 = 67,699.20 : x
  2. Step 2: Convert to fraction form
    114,470.40/171,625.60 = 67,699.20/x
  3. Step 3: Cross multiply
    114,470.40x = 171,625.60 × 67,699.20
  4. Step 4: Simplify right side
    114,470.40x = 11,618,915,819.52
  5. Step 5: Solve for x
    x = 11,618,915,819.52/114,470.40
  6. Step 6: Final answer
    x = 101,501.49

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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.