Home / 194,168.94-291,358.04-81,926.95

Finding the Fourth Proportional to 194,168.94, 291,358.04 and 81,926.95

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Solution

The fourth proportional to 194,168.94, 291,358.04 and 81,926.95 is: 122,934.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,168.94 : 291,358.04 = 81,926.95 : x
  2. Step 2: Convert to fraction form
    194,168.94/291,358.04 = 81,926.95/x
  3. Step 3: Cross multiply
    194,168.94x = 291,358.04 × 81,926.95
  4. Step 4: Simplify right side
    194,168.94x = 23,870,075,575.18
  5. Step 5: Solve for x
    x = 23,870,075,575.18/194,168.94
  6. Step 6: Final answer
    x = 122,934.57

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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.