Home / 156,090.88-234,207.42-66,158.20

Finding the Fourth Proportional to 156,090.88, 234,207.42 and 66,158.20

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Solution

The fourth proportional to 156,090.88, 234,207.42 and 66,158.20 is: 99,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,090.88 : 234,207.42 = 66,158.20 : x
  2. Step 2: Convert to fraction form
    156,090.88/234,207.42 = 66,158.20/x
  3. Step 3: Cross multiply
    156,090.88x = 234,207.42 × 66,158.20
  4. Step 4: Simplify right side
    156,090.88x = 15,494,741,333.84
  5. Step 5: Solve for x
    x = 15,494,741,333.84/156,090.88
  6. Step 6: Final answer
    x = 99,267.44

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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.