Home / 118,186.83-163,091.16-67,192.47

Finding the Fourth Proportional to 118,186.83, 163,091.16 and 67,192.47

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Solution

The fourth proportional to 118,186.83, 163,091.16 and 67,192.47 is: 92,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,186.83 : 163,091.16 = 67,192.47 : x
  2. Step 2: Convert to fraction form
    118,186.83/163,091.16 = 67,192.47/x
  3. Step 3: Cross multiply
    118,186.83x = 163,091.16 × 67,192.47
  4. Step 4: Simplify right side
    118,186.83x = 10,958,497,875.57
  5. Step 5: Solve for x
    x = 10,958,497,875.57/118,186.83
  6. Step 6: Final answer
    x = 92,721.82

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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.