Home / 102,157.74-153,280.68-38,996.82

Finding the Fourth Proportional to 102,157.74, 153,280.68 and 38,996.82

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Solution

The fourth proportional to 102,157.74, 153,280.68 and 38,996.82 is: 58,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,157.74 : 153,280.68 = 38,996.82 : x
  2. Step 2: Convert to fraction form
    102,157.74/153,280.68 = 38,996.82/x
  3. Step 3: Cross multiply
    102,157.74x = 153,280.68 × 38,996.82
  4. Step 4: Simplify right side
    102,157.74x = 5,977,459,087.44
  5. Step 5: Solve for x
    x = 5,977,459,087.44/102,157.74
  6. Step 6: Final answer
    x = 58,512.05

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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.