Home / 102,157.72-153,280.65-38,996.82

Finding the Fourth Proportional to 102,157.72, 153,280.65 and 38,996.82

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Solution

The fourth proportional to 102,157.72, 153,280.65 and 38,996.82 is: 58,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,157.72 : 153,280.65 = 38,996.82 : x
  2. Step 2: Convert to fraction form
    102,157.72/153,280.65 = 38,996.82/x
  3. Step 3: Cross multiply
    102,157.72x = 153,280.65 × 38,996.82
  4. Step 4: Simplify right side
    102,157.72x = 5,977,457,917.53
  5. Step 5: Solve for x
    x = 5,977,457,917.53/102,157.72
  6. Step 6: Final answer
    x = 58,512.05

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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.