Home / 118,444.83-177,616.67-68,559.36

Finding the Fourth Proportional to 118,444.83, 177,616.67 and 68,559.36

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Solution

The fourth proportional to 118,444.83, 177,616.67 and 68,559.36 is: 102,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,444.83 : 177,616.67 = 68,559.36 : x
  2. Step 2: Convert to fraction form
    118,444.83/177,616.67 = 68,559.36/x
  3. Step 3: Cross multiply
    118,444.83x = 177,616.67 × 68,559.36
  4. Step 4: Simplify right side
    118,444.83x = 12,177,285,220.53
  5. Step 5: Solve for x
    x = 12,177,285,220.53/118,444.83
  6. Step 6: Final answer
    x = 102,809.77

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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.