Home / 104,818.08-157,095.89-82,543.48

Finding the Fourth Proportional to 104,818.08, 157,095.89 and 82,543.48

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Solution

The fourth proportional to 104,818.08, 157,095.89 and 82,543.48 is: 123,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,818.08 : 157,095.89 = 82,543.48 : x
  2. Step 2: Convert to fraction form
    104,818.08/157,095.89 = 82,543.48/x
  3. Step 3: Cross multiply
    104,818.08x = 157,095.89 × 82,543.48
  4. Step 4: Simplify right side
    104,818.08x = 12,967,241,454.30
  5. Step 5: Solve for x
    x = 12,967,241,454.30/104,818.08
  6. Step 6: Final answer
    x = 123,711.88

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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.