Home / 118,194.18-163,101.09-67,199.55

Finding the Fourth Proportional to 118,194.18, 163,101.09 and 67,199.55

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Solution

The fourth proportional to 118,194.18, 163,101.09 and 67,199.55 is: 92,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,194.18 : 163,101.09 = 67,199.55 : x
  2. Step 2: Convert to fraction form
    118,194.18/163,101.09 = 67,199.55/x
  3. Step 3: Cross multiply
    118,194.18x = 163,101.09 × 67,199.55
  4. Step 4: Simplify right side
    118,194.18x = 10,960,319,852.51
  5. Step 5: Solve for x
    x = 10,960,319,852.51/118,194.18
  6. Step 6: Final answer
    x = 92,731.47

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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.