Home / 122,895.75-169,594.10-69,180.60

Finding the Fourth Proportional to 122,895.75, 169,594.10 and 69,180.60

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Solution

The fourth proportional to 122,895.75, 169,594.10 and 69,180.60 is: 95,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,895.75 : 169,594.10 = 69,180.60 : x
  2. Step 2: Convert to fraction form
    122,895.75/169,594.10 = 69,180.60/x
  3. Step 3: Cross multiply
    122,895.75x = 169,594.10 × 69,180.60
  4. Step 4: Simplify right side
    122,895.75x = 11,732,621,594.46
  5. Step 5: Solve for x
    x = 11,732,621,594.46/122,895.75
  6. Step 6: Final answer
    x = 95,468.08

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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.