Home / 121,907.32-168,224.20-68,183.04

Finding the Fourth Proportional to 121,907.32, 168,224.20 and 68,183.04

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Solution

The fourth proportional to 121,907.32, 168,224.20 and 68,183.04 is: 94,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,907.32 : 168,224.20 = 68,183.04 : x
  2. Step 2: Convert to fraction form
    121,907.32/168,224.20 = 68,183.04/x
  3. Step 3: Cross multiply
    121,907.32x = 168,224.20 × 68,183.04
  4. Step 4: Simplify right side
    121,907.32x = 11,470,037,357.57
  5. Step 5: Solve for x
    x = 11,470,037,357.57/121,907.32
  6. Step 6: Final answer
    x = 94,088.18

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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.