Home / 136,108.10-204,203.59-69,594.95

Finding the Fourth Proportional to 136,108.10, 204,203.59 and 69,594.95

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Solution

The fourth proportional to 136,108.10, 204,203.59 and 69,594.95 is: 104,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,108.10 : 204,203.59 = 69,594.95 : x
  2. Step 2: Convert to fraction form
    136,108.10/204,203.59 = 69,594.95/x
  3. Step 3: Cross multiply
    136,108.10x = 204,203.59 × 69,594.95
  4. Step 4: Simplify right side
    136,108.10x = 14,211,538,635.87
  5. Step 5: Solve for x
    x = 14,211,538,635.87/136,108.10
  6. Step 6: Final answer
    x = 104,413.61

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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.