Home / 118,837-163,995.06-71,092.36

Finding the Fourth Proportional to 118,837, 163,995.06 and 71,092.36

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Solution

The fourth proportional to 118,837, 163,995.06 and 71,092.36 is: 98,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,837 : 163,995.06 = 71,092.36 : x
  2. Step 2: Convert to fraction form
    118,837/163,995.06 = 71,092.36/x
  3. Step 3: Cross multiply
    118,837x = 163,995.06 × 71,092.36
  4. Step 4: Simplify right side
    118,837x = 11,658,795,843.74
  5. Step 5: Solve for x
    x = 11,658,795,843.74/118,837
  6. Step 6: Final answer
    x = 98,107.46

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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.