Home / 304,570.28-456,959.20-91,343.36

Finding the Fourth Proportional to 304,570.28, 456,959.20 and 91,343.36

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Solution

The fourth proportional to 304,570.28, 456,959.20 and 91,343.36 is: 137,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,570.28 : 456,959.20 = 91,343.36 : x
  2. Step 2: Convert to fraction form
    304,570.28/456,959.20 = 91,343.36/x
  3. Step 3: Cross multiply
    304,570.28x = 456,959.20 × 91,343.36
  4. Step 4: Simplify right side
    304,570.28x = 41,740,188,710.91
  5. Step 5: Solve for x
    x = 41,740,188,710.91/304,570.28
  6. Step 6: Final answer
    x = 137,046.16

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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.