Home / 236,372.36-354,561.64-78,600.84

Finding the Fourth Proportional to 236,372.36, 354,561.64 and 78,600.84

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Solution

The fourth proportional to 236,372.36, 354,561.64 and 78,600.84 is: 117,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,372.36 : 354,561.64 = 78,600.84 : x
  2. Step 2: Convert to fraction form
    236,372.36/354,561.64 = 78,600.84/x
  3. Step 3: Cross multiply
    236,372.36x = 354,561.64 × 78,600.84
  4. Step 4: Simplify right side
    236,372.36x = 27,868,842,735.78
  5. Step 5: Solve for x
    x = 27,868,842,735.78/236,372.36
  6. Step 6: Final answer
    x = 117,902.29

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1.5x scale

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.