Home / 442,117.30-663,175.95-109,693.30

Finding the Fourth Proportional to 442,117.30, 663,175.95 and 109,693.30

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Solution

The fourth proportional to 442,117.30, 663,175.95 and 109,693.30 is: 164,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,117.30 : 663,175.95 = 109,693.30 : x
  2. Step 2: Convert to fraction form
    442,117.30/663,175.95 = 109,693.30/x
  3. Step 3: Cross multiply
    442,117.30x = 663,175.95 × 109,693.30
  4. Step 4: Simplify right side
    442,117.30x = 72,745,958,436.14
  5. Step 5: Solve for x
    x = 72,745,958,436.14/442,117.30
  6. Step 6: Final answer
    x = 164,539.95

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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.