Home / 207,396.04-311,090.34-67,154.80

Finding the Fourth Proportional to 207,396.04, 311,090.34 and 67,154.80

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Solution

The fourth proportional to 207,396.04, 311,090.34 and 67,154.80 is: 100,731.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,396.04 : 311,090.34 = 67,154.80 : x
  2. Step 2: Convert to fraction form
    207,396.04/311,090.34 = 67,154.80/x
  3. Step 3: Cross multiply
    207,396.04x = 311,090.34 × 67,154.80
  4. Step 4: Simplify right side
    207,396.04x = 20,891,209,564.63
  5. Step 5: Solve for x
    x = 20,891,209,564.63/207,396.04
  6. Step 6: Final answer
    x = 100,731.00

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1.5x scale

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.