Home / 122,574.89-169,152.33-68,858.75

Finding the Fourth Proportional to 122,574.89, 169,152.33 and 68,858.75

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Solution

The fourth proportional to 122,574.89, 169,152.33 and 68,858.75 is: 95,024.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,574.89 : 169,152.33 = 68,858.75 : x
  2. Step 2: Convert to fraction form
    122,574.89/169,152.33 = 68,858.75/x
  3. Step 3: Cross multiply
    122,574.89x = 169,152.33 × 68,858.75
  4. Step 4: Simplify right side
    122,574.89x = 11,647,618,003.39
  5. Step 5: Solve for x
    x = 11,647,618,003.39/122,574.89
  6. Step 6: Final answer
    x = 95,024.50

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1.5x scale

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.