Home / 282,743.22-390,276.57-181,042.56

Finding the Fourth Proportional to 282,743.22, 390,276.57 and 181,042.56

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Solution

The fourth proportional to 282,743.22, 390,276.57 and 181,042.56 is: 249,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,743.22 : 390,276.57 = 181,042.56 : x
  2. Step 2: Convert to fraction form
    282,743.22/390,276.57 = 181,042.56/x
  3. Step 3: Cross multiply
    282,743.22x = 390,276.57 × 181,042.56
  4. Step 4: Simplify right side
    282,743.22x = 70,656,669,340.82
  5. Step 5: Solve for x
    x = 70,656,669,340.82/282,743.22
  6. Step 6: Final answer
    x = 249,896.95

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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.