Home / 118,621.23-177,933.89-43,702.81

Finding the Fourth Proportional to 118,621.23, 177,933.89 and 43,702.81

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Solution

The fourth proportional to 118,621.23, 177,933.89 and 43,702.81 is: 65,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,621.23 : 177,933.89 = 43,702.81 : x
  2. Step 2: Convert to fraction form
    118,621.23/177,933.89 = 43,702.81/x
  3. Step 3: Cross multiply
    118,621.23x = 177,933.89 × 43,702.81
  4. Step 4: Simplify right side
    118,621.23x = 7,776,211,155.02
  5. Step 5: Solve for x
    x = 7,776,211,155.02/118,621.23
  6. Step 6: Final answer
    x = 65,554.97

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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.