Home / 443,913.11-666,343.52-191,318.25

Finding the Fourth Proportional to 443,913.11, 666,343.52 and 191,318.25

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Solution

The fourth proportional to 443,913.11, 666,343.52 and 191,318.25 is: 287,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,913.11 : 666,343.52 = 191,318.25 : x
  2. Step 2: Convert to fraction form
    443,913.11/666,343.52 = 191,318.25/x
  3. Step 3: Cross multiply
    443,913.11x = 666,343.52 × 191,318.25
  4. Step 4: Simplify right side
    443,913.11x = 127,483,675,188.65
  5. Step 5: Solve for x
    x = 127,483,675,188.65/443,913.11
  6. Step 6: Final answer
    x = 287,181.60

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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.