Home / 295,127.40-442,025.04-206,775.24

Finding the Fourth Proportional to 295,127.40, 442,025.04 and 206,775.24

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Solution

The fourth proportional to 295,127.40, 442,025.04 and 206,775.24 is: 309,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,127.40 : 442,025.04 = 206,775.24 : x
  2. Step 2: Convert to fraction form
    295,127.40/442,025.04 = 206,775.24/x
  3. Step 3: Cross multiply
    295,127.40x = 442,025.04 × 206,775.24
  4. Step 4: Simplify right side
    295,127.40x = 91,399,833,732.01
  5. Step 5: Solve for x
    x = 91,399,833,732.01/295,127.40
  6. Step 6: Final answer
    x = 309,696.20

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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.