Home / 140,226.66-193,512.78-76,564.51

Finding the Fourth Proportional to 140,226.66, 193,512.78 and 76,564.51

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Solution

The fourth proportional to 140,226.66, 193,512.78 and 76,564.51 is: 105,659.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,226.66 : 193,512.78 = 76,564.51 : x
  2. Step 2: Convert to fraction form
    140,226.66/193,512.78 = 76,564.51/x
  3. Step 3: Cross multiply
    140,226.66x = 193,512.78 × 76,564.51
  4. Step 4: Simplify right side
    140,226.66x = 14,816,210,695.66
  5. Step 5: Solve for x
    x = 14,816,210,695.66/140,226.66
  6. Step 6: Final answer
    x = 105,659.01

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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.