Home / 128,150.91-192,267.50-61,595.87

Finding the Fourth Proportional to 128,150.91, 192,267.50 and 61,595.87

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Solution

The fourth proportional to 128,150.91, 192,267.50 and 61,595.87 is: 92,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,150.91 : 192,267.50 = 61,595.87 : x
  2. Step 2: Convert to fraction form
    128,150.91/192,267.50 = 61,595.87/x
  3. Step 3: Cross multiply
    128,150.91x = 192,267.50 × 61,595.87
  4. Step 4: Simplify right side
    128,150.91x = 11,842,883,935.23
  5. Step 5: Solve for x
    x = 11,842,883,935.23/128,150.91
  6. Step 6: Final answer
    x = 92,413.58

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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.