Home / 122,905.26-169,612.49-69,192.24

Finding the Fourth Proportional to 122,905.26, 169,612.49 and 69,192.24

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Solution

The fourth proportional to 122,905.26, 169,612.49 and 69,192.24 is: 95,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,905.26 : 169,612.49 = 69,192.24 : x
  2. Step 2: Convert to fraction form
    122,905.26/169,612.49 = 69,192.24/x
  3. Step 3: Cross multiply
    122,905.26x = 169,612.49 × 69,192.24
  4. Step 4: Simplify right side
    122,905.26x = 11,735,868,115.08
  5. Step 5: Solve for x
    x = 11,735,868,115.08/122,905.26
  6. Step 6: Final answer
    x = 95,487.11

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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.