Home / 118,187.15-163,091.65-67,192.69

Finding the Fourth Proportional to 118,187.15, 163,091.65 and 67,192.69

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Solution

The fourth proportional to 118,187.15, 163,091.65 and 67,192.69 is: 92,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,187.15 : 163,091.65 = 67,192.69 : x
  2. Step 2: Convert to fraction form
    118,187.15/163,091.65 = 67,192.69/x
  3. Step 3: Cross multiply
    118,187.15x = 163,091.65 × 67,192.69
  4. Step 4: Simplify right side
    118,187.15x = 10,958,566,725.09
  5. Step 5: Solve for x
    x = 10,958,566,725.09/118,187.15
  6. Step 6: Final answer
    x = 92,722.15

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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.