Home / 195,110.81-292,776.94-76,865.19

Finding the Fourth Proportional to 195,110.81, 292,776.94 and 76,865.19

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Solution

The fourth proportional to 195,110.81, 292,776.94 and 76,865.19 is: 115,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,110.81 : 292,776.94 = 76,865.19 : x
  2. Step 2: Convert to fraction form
    195,110.81/292,776.94 = 76,865.19/x
  3. Step 3: Cross multiply
    195,110.81x = 292,776.94 × 76,865.19
  4. Step 4: Simplify right side
    195,110.81x = 22,504,354,975.72
  5. Step 5: Solve for x
    x = 22,504,354,975.72/195,110.81
  6. Step 6: Final answer
    x = 115,341.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.