Home / 150,168.20-207,232.14-93,579.80

Finding the Fourth Proportional to 150,168.20, 207,232.14 and 93,579.80

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Solution

The fourth proportional to 150,168.20, 207,232.14 and 93,579.80 is: 129,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,168.20 : 207,232.14 = 93,579.80 : x
  2. Step 2: Convert to fraction form
    150,168.20/207,232.14 = 93,579.80/x
  3. Step 3: Cross multiply
    150,168.20x = 207,232.14 × 93,579.80
  4. Step 4: Simplify right side
    150,168.20x = 19,392,742,214.77
  5. Step 5: Solve for x
    x = 19,392,742,214.77/150,168.20
  6. Step 6: Final answer
    x = 129,140.14

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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.