Home / 184,862.90-255,110.80-99,979.96

Finding the Fourth Proportional to 184,862.90, 255,110.80 and 99,979.96

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Solution

The fourth proportional to 184,862.90, 255,110.80 and 99,979.96 is: 137,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,862.90 : 255,110.80 = 99,979.96 : x
  2. Step 2: Convert to fraction form
    184,862.90/255,110.80 = 99,979.96/x
  3. Step 3: Cross multiply
    184,862.90x = 255,110.80 × 99,979.96
  4. Step 4: Simplify right side
    184,862.90x = 25,505,967,579.57
  5. Step 5: Solve for x
    x = 25,505,967,579.57/184,862.90
  6. Step 6: Final answer
    x = 137,972.35

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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.