Home / 118,268.10-177,339.73-51,630.21

Finding the Fourth Proportional to 118,268.10, 177,339.73 and 51,630.21

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Solution

The fourth proportional to 118,268.10, 177,339.73 and 51,630.21 is: 77,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,268.10 : 177,339.73 = 51,630.21 : x
  2. Step 2: Convert to fraction form
    118,268.10/177,339.73 = 51,630.21/x
  3. Step 3: Cross multiply
    118,268.10x = 177,339.73 × 51,630.21
  4. Step 4: Simplify right side
    118,268.10x = 9,156,087,468.97
  5. Step 5: Solve for x
    x = 9,156,087,468.97/118,268.10
  6. Step 6: Final answer
    x = 77,418.07

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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.