Home / 118,825.58-163,979.34-65,110.16

Finding the Fourth Proportional to 118,825.58, 163,979.34 and 65,110.16

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Solution

The fourth proportional to 118,825.58, 163,979.34 and 65,110.16 is: 89,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,825.58 : 163,979.34 = 65,110.16 : x
  2. Step 2: Convert to fraction form
    118,825.58/163,979.34 = 65,110.16/x
  3. Step 3: Cross multiply
    118,825.58x = 163,979.34 × 65,110.16
  4. Step 4: Simplify right side
    118,825.58x = 10,676,721,064.09
  5. Step 5: Solve for x
    x = 10,676,721,064.09/118,825.58
  6. Step 6: Final answer
    x = 89,852.04

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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.