Home / 118,634.36-163,730.58-68,333.36

Finding the Fourth Proportional to 118,634.36, 163,730.58 and 68,333.36

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Solution

The fourth proportional to 118,634.36, 163,730.58 and 68,333.36 is: 94,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,634.36 : 163,730.58 = 68,333.36 : x
  2. Step 2: Convert to fraction form
    118,634.36/163,730.58 = 68,333.36/x
  3. Step 3: Cross multiply
    118,634.36x = 163,730.58 × 68,333.36
  4. Step 4: Simplify right side
    118,634.36x = 11,188,260,666.15
  5. Step 5: Solve for x
    x = 11,188,260,666.15/118,634.36
  6. Step 6: Final answer
    x = 94,308.77

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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.