Home / 259,109.52-387,786.44-159,332.92

Finding the Fourth Proportional to 259,109.52, 387,786.44 and 159,332.92

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Solution

The fourth proportional to 259,109.52, 387,786.44 and 159,332.92 is: 238,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,109.52 : 387,786.44 = 159,332.92 : x
  2. Step 2: Convert to fraction form
    259,109.52/387,786.44 = 159,332.92/x
  3. Step 3: Cross multiply
    259,109.52x = 387,786.44 × 159,332.92
  4. Step 4: Simplify right side
    259,109.52x = 61,787,145,821.60
  5. Step 5: Solve for x
    x = 61,787,145,821.60/259,109.52
  6. Step 6: Final answer
    x = 238,459.57

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1.5x scale

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.