Home / 356,030.61-491,322.20-194,885.76

Finding the Fourth Proportional to 356,030.61, 491,322.20 and 194,885.76

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Solution

The fourth proportional to 356,030.61, 491,322.20 and 194,885.76 is: 268,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,030.61 : 491,322.20 = 194,885.76 : x
  2. Step 2: Convert to fraction form
    356,030.61/491,322.20 = 194,885.76/x
  3. Step 3: Cross multiply
    356,030.61x = 491,322.20 × 194,885.76
  4. Step 4: Simplify right side
    356,030.61x = 95,751,699,377.44
  5. Step 5: Solve for x
    x = 95,751,699,377.44/356,030.61
  6. Step 6: Final answer
    x = 268,942.32

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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.