Home / 185,716.54-255,829.74-158,403.65

Finding the Fourth Proportional to 185,716.54, 255,829.74 and 158,403.65

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Solution

The fourth proportional to 185,716.54, 255,829.74 and 158,403.65 is: 218,205.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,716.54 : 255,829.74 = 158,403.65 : x
  2. Step 2: Convert to fraction form
    185,716.54/255,829.74 = 158,403.65/x
  3. Step 3: Cross multiply
    185,716.54x = 255,829.74 × 158,403.65
  4. Step 4: Simplify right side
    185,716.54x = 40,524,363,795.08
  5. Step 5: Solve for x
    x = 40,524,363,795.08/185,716.54
  6. Step 6: Final answer
    x = 218,205.46

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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.