Home / 314,334.20-433,841.01-178,380.79

Finding the Fourth Proportional to 314,334.20, 433,841.01 and 178,380.79

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Solution

The fourth proportional to 314,334.20, 433,841.01 and 178,380.79 is: 246,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,334.20 : 433,841.01 = 178,380.79 : x
  2. Step 2: Convert to fraction form
    314,334.20/433,841.01 = 178,380.79/x
  3. Step 3: Cross multiply
    314,334.20x = 433,841.01 × 178,380.79
  4. Step 4: Simplify right side
    314,334.20x = 77,388,899,928.99
  5. Step 5: Solve for x
    x = 77,388,899,928.99/314,334.20
  6. Step 6: Final answer
    x = 246,199.43

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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.