Home / 150,474.36-207,646.62-86,808.36

Finding the Fourth Proportional to 150,474.36, 207,646.62 and 86,808.36

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Solution

The fourth proportional to 150,474.36, 207,646.62 and 86,808.36 is: 119,790.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,474.36 : 207,646.62 = 86,808.36 : x
  2. Step 2: Convert to fraction form
    150,474.36/207,646.62 = 86,808.36/x
  3. Step 3: Cross multiply
    150,474.36x = 207,646.62 × 86,808.36
  4. Step 4: Simplify right side
    150,474.36x = 18,025,462,541.74
  5. Step 5: Solve for x
    x = 18,025,462,541.74/150,474.36
  6. Step 6: Final answer
    x = 119,790.92

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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.