Home / 148,150.24-204,467.52-87,716.32

Finding the Fourth Proportional to 148,150.24, 204,467.52 and 87,716.32

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Solution

The fourth proportional to 148,150.24, 204,467.52 and 87,716.32 is: 121,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,150.24 : 204,467.52 = 87,716.32 : x
  2. Step 2: Convert to fraction form
    148,150.24/204,467.52 = 87,716.32/x
  3. Step 3: Cross multiply
    148,150.24x = 204,467.52 × 87,716.32
  4. Step 4: Simplify right side
    148,150.24x = 17,935,138,413.93
  5. Step 5: Solve for x
    x = 17,935,138,413.93/148,150.24
  6. Step 6: Final answer
    x = 121,060.47

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1.5x scale

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.