Home / 148,593.67-204,819.56-121,688.71

Finding the Fourth Proportional to 148,593.67, 204,819.56 and 121,688.71

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Solution

The fourth proportional to 148,593.67, 204,819.56 and 121,688.71 is: 167,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,593.67 : 204,819.56 = 121,688.71 : x
  2. Step 2: Convert to fraction form
    148,593.67/204,819.56 = 121,688.71/x
  3. Step 3: Cross multiply
    148,593.67x = 204,819.56 × 121,688.71
  4. Step 4: Simplify right side
    148,593.67x = 24,924,228,039.17
  5. Step 5: Solve for x
    x = 24,924,228,039.17/148,593.67
  6. Step 6: Final answer
    x = 167,734.12

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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.