Home / 175,508.56-242,205.96-100,064.08

Finding the Fourth Proportional to 175,508.56, 242,205.96 and 100,064.08

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Solution

The fourth proportional to 175,508.56, 242,205.96 and 100,064.08 is: 138,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,508.56 : 242,205.96 = 100,064.08 : x
  2. Step 2: Convert to fraction form
    175,508.56/242,205.96 = 100,064.08/x
  3. Step 3: Cross multiply
    175,508.56x = 242,205.96 × 100,064.08
  4. Step 4: Simplify right side
    175,508.56x = 24,236,116,557.92
  5. Step 5: Solve for x
    x = 24,236,116,557.92/175,508.56
  6. Step 6: Final answer
    x = 138,090.79

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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.