Home / 190,608.08-286,067.64-79,877.84

Finding the Fourth Proportional to 190,608.08, 286,067.64 and 79,877.84

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Solution

The fourth proportional to 190,608.08, 286,067.64 and 79,877.84 is: 119,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,608.08 : 286,067.64 = 79,877.84 : x
  2. Step 2: Convert to fraction form
    190,608.08/286,067.64 = 79,877.84/x
  3. Step 3: Cross multiply
    190,608.08x = 286,067.64 × 79,877.84
  4. Step 4: Simplify right side
    190,608.08x = 22,850,465,177.10
  5. Step 5: Solve for x
    x = 22,850,465,177.10/190,608.08
  6. Step 6: Final answer
    x = 119,881.93

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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.