Home / 121,932.63-168,273.56-68,214.44

Finding the Fourth Proportional to 121,932.63, 168,273.56 and 68,214.44

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Solution

The fourth proportional to 121,932.63, 168,273.56 and 68,214.44 is: 94,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,932.63 : 168,273.56 = 68,214.44 : x
  2. Step 2: Convert to fraction form
    121,932.63/168,273.56 = 68,214.44/x
  3. Step 3: Cross multiply
    121,932.63x = 168,273.56 × 68,214.44
  4. Step 4: Simplify right side
    121,932.63x = 11,478,686,662.21
  5. Step 5: Solve for x
    x = 11,478,686,662.21/121,932.63
  6. Step 6: Final answer
    x = 94,139.58

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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.