Home / 118,400.95-177,477.38-55,168.94

Finding the Fourth Proportional to 118,400.95, 177,477.38 and 55,168.94

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Solution

The fourth proportional to 118,400.95, 177,477.38 and 55,168.94 is: 82,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,400.95 : 177,477.38 = 55,168.94 : x
  2. Step 2: Convert to fraction form
    118,400.95/177,477.38 = 55,168.94/x
  3. Step 3: Cross multiply
    118,400.95x = 177,477.38 × 55,168.94
  4. Step 4: Simplify right side
    118,400.95x = 9,791,238,928.58
  5. Step 5: Solve for x
    x = 9,791,238,928.58/118,400.95
  6. Step 6: Final answer
    x = 82,695.61

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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.