Home / 121,924.04-168,247.26-68,199.86

Finding the Fourth Proportional to 121,924.04, 168,247.26 and 68,199.86

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Solution

The fourth proportional to 121,924.04, 168,247.26 and 68,199.86 is: 94,111.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,924.04 : 168,247.26 = 68,199.86 : x
  2. Step 2: Convert to fraction form
    121,924.04/168,247.26 = 68,199.86/x
  3. Step 3: Cross multiply
    121,924.04x = 168,247.26 × 68,199.86
  4. Step 4: Simplify right side
    121,924.04x = 11,474,439,577.38
  5. Step 5: Solve for x
    x = 11,474,439,577.38/121,924.04
  6. Step 6: Final answer
    x = 94,111.38

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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.