Home / 123,558.23-185,204.67-52,420.82

Finding the Fourth Proportional to 123,558.23, 185,204.67 and 52,420.82

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Solution

The fourth proportional to 123,558.23, 185,204.67 and 52,420.82 is: 78,574.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,558.23 : 185,204.67 = 52,420.82 : x
  2. Step 2: Convert to fraction form
    123,558.23/185,204.67 = 52,420.82/x
  3. Step 3: Cross multiply
    123,558.23x = 185,204.67 × 52,420.82
  4. Step 4: Simplify right side
    123,558.23x = 9,708,580,669.23
  5. Step 5: Solve for x
    x = 9,708,580,669.23/123,558.23
  6. Step 6: Final answer
    x = 78,574.94

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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.