Home / 122,150.03-168,565.46-68,435.48

Finding the Fourth Proportional to 122,150.03, 168,565.46 and 68,435.48

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Solution

The fourth proportional to 122,150.03, 168,565.46 and 68,435.48 is: 94,440.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,150.03 : 168,565.46 = 68,435.48 : x
  2. Step 2: Convert to fraction form
    122,150.03/168,565.46 = 68,435.48/x
  3. Step 3: Cross multiply
    122,150.03x = 168,565.46 × 68,435.48
  4. Step 4: Simplify right side
    122,150.03x = 11,535,858,245.76
  5. Step 5: Solve for x
    x = 11,535,858,245.76/122,150.03
  6. Step 6: Final answer
    x = 94,440.08

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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.