Home / 295,129.40-442,028.04-206,777.24

Finding the Fourth Proportional to 295,129.40, 442,028.04 and 206,777.24

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Solution

The fourth proportional to 295,129.40, 442,028.04 and 206,777.24 is: 309,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,129.40 : 442,028.04 = 206,777.24 : x
  2. Step 2: Convert to fraction form
    295,129.40/442,028.04 = 206,777.24/x
  3. Step 3: Cross multiply
    295,129.40x = 442,028.04 × 206,777.24
  4. Step 4: Simplify right side
    295,129.40x = 91,401,338,113.81
  5. Step 5: Solve for x
    x = 91,401,338,113.81/295,129.40
  6. Step 6: Final answer
    x = 309,699.20

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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.