Home / 356,113.09-491,417.39-194,937.26

Finding the Fourth Proportional to 356,113.09, 491,417.39 and 194,937.26

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Solution

The fourth proportional to 356,113.09, 491,417.39 and 194,937.26 is: 269,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,113.09 : 491,417.39 = 194,937.26 : x
  2. Step 2: Convert to fraction form
    356,113.09/491,417.39 = 194,937.26/x
  3. Step 3: Cross multiply
    356,113.09x = 491,417.39 × 194,937.26
  4. Step 4: Simplify right side
    356,113.09x = 95,795,558,548.27
  5. Step 5: Solve for x
    x = 95,795,558,548.27/356,113.09
  6. Step 6: Final answer
    x = 269,003.20

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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.