Home / 122,903.10-169,622.44-69,198.58

Finding the Fourth Proportional to 122,903.10, 169,622.44 and 69,198.58

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Solution

The fourth proportional to 122,903.10, 169,622.44 and 69,198.58 is: 95,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,903.10 : 169,622.44 = 69,198.58 : x
  2. Step 2: Convert to fraction form
    122,903.10/169,622.44 = 69,198.58/x
  3. Step 3: Cross multiply
    122,903.10x = 169,622.44 × 69,198.58
  4. Step 4: Simplify right side
    122,903.10x = 11,737,631,984.14
  5. Step 5: Solve for x
    x = 11,737,631,984.14/122,903.10
  6. Step 6: Final answer
    x = 95,503.14

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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.