Home / 119,172.81-178,593.15-89,556.06

Finding the Fourth Proportional to 119,172.81, 178,593.15 and 89,556.06

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Solution

The fourth proportional to 119,172.81, 178,593.15 and 89,556.06 is: 134,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,172.81 : 178,593.15 = 89,556.06 : x
  2. Step 2: Convert to fraction form
    119,172.81/178,593.15 = 89,556.06/x
  3. Step 3: Cross multiply
    119,172.81x = 178,593.15 × 89,556.06
  4. Step 4: Simplify right side
    119,172.81x = 15,994,098,856.99
  5. Step 5: Solve for x
    x = 15,994,098,856.99/119,172.81
  6. Step 6: Final answer
    x = 134,209.30

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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.