Home / 157,688.73-236,606.91-68,930.76

Finding the Fourth Proportional to 157,688.73, 236,606.91 and 68,930.76

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Solution

The fourth proportional to 157,688.73, 236,606.91 and 68,930.76 is: 103,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,688.73 : 236,606.91 = 68,930.76 : x
  2. Step 2: Convert to fraction form
    157,688.73/236,606.91 = 68,930.76/x
  3. Step 3: Cross multiply
    157,688.73x = 236,606.91 × 68,930.76
  4. Step 4: Simplify right side
    157,688.73x = 16,309,494,127.55
  5. Step 5: Solve for x
    x = 16,309,494,127.55/157,688.73
  6. Step 6: Final answer
    x = 103,428.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.