Home / 443,911.42-666,340.97-191,316.56

Finding the Fourth Proportional to 443,911.42, 666,340.97 and 191,316.56

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Solution

The fourth proportional to 443,911.42, 666,340.97 and 191,316.56 is: 287,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,911.42 : 666,340.97 = 191,316.56 : x
  2. Step 2: Convert to fraction form
    443,911.42/666,340.97 = 191,316.56/x
  3. Step 3: Cross multiply
    443,911.42x = 666,340.97 × 191,316.56
  4. Step 4: Simplify right side
    443,911.42x = 127,482,062,645.76
  5. Step 5: Solve for x
    x = 127,482,062,645.76/443,911.42
  6. Step 6: Final answer
    x = 287,179.06

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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.