Home / 123,904.36-185,397.24-74,011.60

Finding the Fourth Proportional to 123,904.36, 185,397.24 and 74,011.60

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Solution

The fourth proportional to 123,904.36, 185,397.24 and 74,011.60 is: 110,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,904.36 : 185,397.24 = 74,011.60 : x
  2. Step 2: Convert to fraction form
    123,904.36/185,397.24 = 74,011.60/x
  3. Step 3: Cross multiply
    123,904.36x = 185,397.24 × 74,011.60
  4. Step 4: Simplify right side
    123,904.36x = 13,721,546,367.98
  5. Step 5: Solve for x
    x = 13,721,546,367.98/123,904.36
  6. Step 6: Final answer
    x = 110,743.05

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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.