Home / 184,862.36-255,110.05-99,979.42

Finding the Fourth Proportional to 184,862.36, 255,110.05 and 99,979.42

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Solution

The fourth proportional to 184,862.36, 255,110.05 and 99,979.42 is: 137,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,862.36 : 255,110.05 = 99,979.42 : x
  2. Step 2: Convert to fraction form
    184,862.36/255,110.05 = 99,979.42/x
  3. Step 3: Cross multiply
    184,862.36x = 255,110.05 × 99,979.42
  4. Step 4: Simplify right side
    184,862.36x = 25,505,755,237.01
  5. Step 5: Solve for x
    x = 25,505,755,237.01/184,862.36
  6. Step 6: Final answer
    x = 137,971.60

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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.