Home / 118,987.48-164,201.18-67,999.62

Finding the Fourth Proportional to 118,987.48, 164,201.18 and 67,999.62

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Solution

The fourth proportional to 118,987.48, 164,201.18 and 67,999.62 is: 93,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,987.48 : 164,201.18 = 67,999.62 : x
  2. Step 2: Convert to fraction form
    118,987.48/164,201.18 = 67,999.62/x
  3. Step 3: Cross multiply
    118,987.48x = 164,201.18 × 67,999.62
  4. Step 4: Simplify right side
    118,987.48x = 11,165,617,843.55
  5. Step 5: Solve for x
    x = 11,165,617,843.55/118,987.48
  6. Step 6: Final answer
    x = 93,838.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.