Home / 236,697.05-355,048.73-78,925.56

Finding the Fourth Proportional to 236,697.05, 355,048.73 and 78,925.56

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Solution

The fourth proportional to 236,697.05, 355,048.73 and 78,925.56 is: 118,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,697.05 : 355,048.73 = 78,925.56 : x
  2. Step 2: Convert to fraction form
    236,697.05/355,048.73 = 78,925.56/x
  3. Step 3: Cross multiply
    236,697.05x = 355,048.73 × 78,925.56
  4. Step 4: Simplify right side
    236,697.05x = 28,022,419,447.91
  5. Step 5: Solve for x
    x = 28,022,419,447.91/236,697.05
  6. Step 6: Final answer
    x = 118,389.39

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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.