Home / 118,272.88-177,416.68-39,394.16

Finding the Fourth Proportional to 118,272.88, 177,416.68 and 39,394.16

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Solution

The fourth proportional to 118,272.88, 177,416.68 and 39,394.16 is: 59,093.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,272.88 : 177,416.68 = 39,394.16 : x
  2. Step 2: Convert to fraction form
    118,272.88/177,416.68 = 39,394.16/x
  3. Step 3: Cross multiply
    118,272.88x = 177,416.68 × 39,394.16
  4. Step 4: Simplify right side
    118,272.88x = 6,989,181,078.59
  5. Step 5: Solve for x
    x = 6,989,181,078.59/118,272.88
  6. Step 6: Final answer
    x = 59,093.69

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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.