Home / 194,681.12-268,643.80-109,819.04

Finding the Fourth Proportional to 194,681.12, 268,643.80 and 109,819.04

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Solution

The fourth proportional to 194,681.12, 268,643.80 and 109,819.04 is: 151,541.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,681.12 : 268,643.80 = 109,819.04 : x
  2. Step 2: Convert to fraction form
    194,681.12/268,643.80 = 109,819.04/x
  3. Step 3: Cross multiply
    194,681.12x = 268,643.80 × 109,819.04
  4. Step 4: Simplify right side
    194,681.12x = 29,502,204,217.95
  5. Step 5: Solve for x
    x = 29,502,204,217.95/194,681.12
  6. Step 6: Final answer
    x = 151,541.17

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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.