Home / 108,522.20-162,783.30-64,126.10

Finding the Fourth Proportional to 108,522.20, 162,783.30 and 64,126.10

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Solution

The fourth proportional to 108,522.20, 162,783.30 and 64,126.10 is: 96,189.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,522.20 : 162,783.30 = 64,126.10 : x
  2. Step 2: Convert to fraction form
    108,522.20/162,783.30 = 64,126.10/x
  3. Step 3: Cross multiply
    108,522.20x = 162,783.30 × 64,126.10
  4. Step 4: Simplify right side
    108,522.20x = 10,438,658,174.13
  5. Step 5: Solve for x
    x = 10,438,658,174.13/108,522.20
  6. Step 6: Final answer
    x = 96,189.15

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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.