Home / 118,201.39-163,117.13-67,214.13

Finding the Fourth Proportional to 118,201.39, 163,117.13 and 67,214.13

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Solution

The fourth proportional to 118,201.39, 163,117.13 and 67,214.13 is: 92,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,201.39 : 163,117.13 = 67,214.13 : x
  2. Step 2: Convert to fraction form
    118,201.39/163,117.13 = 67,214.13/x
  3. Step 3: Cross multiply
    118,201.39x = 163,117.13 × 67,214.13
  4. Step 4: Simplify right side
    118,201.39x = 10,963,776,059.17
  5. Step 5: Solve for x
    x = 10,963,776,059.17/118,201.39
  6. Step 6: Final answer
    x = 92,755.05

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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.