Home / 236,176.60-354,187.82-78,362.68

Finding the Fourth Proportional to 236,176.60, 354,187.82 and 78,362.68

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Solution

The fourth proportional to 236,176.60, 354,187.82 and 78,362.68 is: 117,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,176.60 : 354,187.82 = 78,362.68 : x
  2. Step 2: Convert to fraction form
    236,176.60/354,187.82 = 78,362.68/x
  3. Step 3: Cross multiply
    236,176.60x = 354,187.82 × 78,362.68
  4. Step 4: Simplify right side
    236,176.60x = 27,755,106,798.56
  5. Step 5: Solve for x
    x = 27,755,106,798.56/236,176.60
  6. Step 6: Final answer
    x = 117,518.45

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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.