Home / 118,633.36-163,729.20-68,332.36

Finding the Fourth Proportional to 118,633.36, 163,729.20 and 68,332.36

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Solution

The fourth proportional to 118,633.36, 163,729.20 and 68,332.36 is: 94,307.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,633.36 : 163,729.20 = 68,332.36 : x
  2. Step 2: Convert to fraction form
    118,633.36/163,729.20 = 68,332.36/x
  3. Step 3: Cross multiply
    118,633.36x = 163,729.20 × 68,332.36
  4. Step 4: Simplify right side
    118,633.36x = 11,188,002,636.91
  5. Step 5: Solve for x
    x = 11,188,002,636.91/118,633.36
  6. Step 6: Final answer
    x = 94,307.39

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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.