Home / 121,997.04-168,355.88-68,282.06

Finding the Fourth Proportional to 121,997.04, 168,355.88 and 68,282.06

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Solution

The fourth proportional to 121,997.04, 168,355.88 and 68,282.06 is: 94,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,997.04 : 168,355.88 = 68,282.06 : x
  2. Step 2: Convert to fraction form
    121,997.04/168,355.88 = 68,282.06/x
  3. Step 3: Cross multiply
    121,997.04x = 168,355.88 × 68,282.06
  4. Step 4: Simplify right side
    121,997.04x = 11,495,685,372.38
  5. Step 5: Solve for x
    x = 11,495,685,372.38/121,997.04
  6. Step 6: Final answer
    x = 94,229.22

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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.