Home / 111,982.90-154,534.08-60,996.20

Finding the Fourth Proportional to 111,982.90, 154,534.08 and 60,996.20

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Solution

The fourth proportional to 111,982.90, 154,534.08 and 60,996.20 is: 84,173.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,982.90 : 154,534.08 = 60,996.20 : x
  2. Step 2: Convert to fraction form
    111,982.90/154,534.08 = 60,996.20/x
  3. Step 3: Cross multiply
    111,982.90x = 154,534.08 × 60,996.20
  4. Step 4: Simplify right side
    111,982.90x = 9,425,991,650.50
  5. Step 5: Solve for x
    x = 9,425,991,650.50/111,982.90
  6. Step 6: Final answer
    x = 84,173.49

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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.