Home / 367,784.40-507,542.93-206,639.36

Finding the Fourth Proportional to 367,784.40, 507,542.93 and 206,639.36

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Solution

The fourth proportional to 367,784.40, 507,542.93 and 206,639.36 is: 285,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,784.40 : 507,542.93 = 206,639.36 : x
  2. Step 2: Convert to fraction form
    367,784.40/507,542.93 = 206,639.36/x
  3. Step 3: Cross multiply
    367,784.40x = 507,542.93 × 206,639.36
  4. Step 4: Simplify right side
    367,784.40x = 104,878,342,656.81
  5. Step 5: Solve for x
    x = 104,878,342,656.81/367,784.40
  6. Step 6: Final answer
    x = 285,162.56

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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.