Home / 118,623.57-177,821.06-43,702.79

Finding the Fourth Proportional to 118,623.57, 177,821.06 and 43,702.79

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Solution

The fourth proportional to 118,623.57, 177,821.06 and 43,702.79 is: 65,512.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,623.57 : 177,821.06 = 43,702.79 : x
  2. Step 2: Convert to fraction form
    118,623.57/177,821.06 = 43,702.79/x
  3. Step 3: Cross multiply
    118,623.57x = 177,821.06 × 43,702.79
  4. Step 4: Simplify right side
    118,623.57x = 7,771,275,335.14
  5. Step 5: Solve for x
    x = 7,771,275,335.14/118,623.57
  6. Step 6: Final answer
    x = 65,512.07

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1.5x scale

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.