Home / 278,392.77-417,453.08-194,193.27

Finding the Fourth Proportional to 278,392.77, 417,453.08 and 194,193.27

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Solution

The fourth proportional to 278,392.77, 417,453.08 and 194,193.27 is: 291,194.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,392.77 : 417,453.08 = 194,193.27 : x
  2. Step 2: Convert to fraction form
    278,392.77/417,453.08 = 194,193.27/x
  3. Step 3: Cross multiply
    278,392.77x = 417,453.08 × 194,193.27
  4. Step 4: Simplify right side
    278,392.77x = 81,066,577,705.81
  5. Step 5: Solve for x
    x = 81,066,577,705.81/278,392.77
  6. Step 6: Final answer
    x = 291,194.98

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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.