Home / 150,384.73-207,528.20-89,172.11

Finding the Fourth Proportional to 150,384.73, 207,528.20 and 89,172.11

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Solution

The fourth proportional to 150,384.73, 207,528.20 and 89,172.11 is: 123,055.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,384.73 : 207,528.20 = 89,172.11 : x
  2. Step 2: Convert to fraction form
    150,384.73/207,528.20 = 89,172.11/x
  3. Step 3: Cross multiply
    150,384.73x = 207,528.20 × 89,172.11
  4. Step 4: Simplify right side
    150,384.73x = 18,505,727,478.50
  5. Step 5: Solve for x
    x = 18,505,727,478.50/150,384.73
  6. Step 6: Final answer
    x = 123,055.89

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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.