Home / 194,118.71-291,248.13-67,777.57

Finding the Fourth Proportional to 194,118.71, 291,248.13 and 67,777.57

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Solution

The fourth proportional to 194,118.71, 291,248.13 and 67,777.57 is: 101,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,118.71 : 291,248.13 = 67,777.57 : x
  2. Step 2: Convert to fraction form
    194,118.71/291,248.13 = 67,777.57/x
  3. Step 3: Cross multiply
    194,118.71x = 291,248.13 × 67,777.57
  4. Step 4: Simplify right side
    194,118.71x = 19,740,090,518.44
  5. Step 5: Solve for x
    x = 19,740,090,518.44/194,118.71
  6. Step 6: Final answer
    x = 101,690.82

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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.