Home / 150,537.08-207,740.94-86,874.86

Finding the Fourth Proportional to 150,537.08, 207,740.94 and 86,874.86

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Solution

The fourth proportional to 150,537.08, 207,740.94 and 86,874.86 is: 119,887.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,537.08 : 207,740.94 = 86,874.86 : x
  2. Step 2: Convert to fraction form
    150,537.08/207,740.94 = 86,874.86/x
  3. Step 3: Cross multiply
    150,537.08x = 207,740.94 × 86,874.86
  4. Step 4: Simplify right side
    150,537.08x = 18,047,465,078.77
  5. Step 5: Solve for x
    x = 18,047,465,078.77/150,537.08
  6. Step 6: Final answer
    x = 119,887.17

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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.