Home / 134,629.99-185,781.80-74,200.45

Finding the Fourth Proportional to 134,629.99, 185,781.80 and 74,200.45

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Solution

The fourth proportional to 134,629.99, 185,781.80 and 74,200.45 is: 102,392.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,629.99 : 185,781.80 = 74,200.45 : x
  2. Step 2: Convert to fraction form
    134,629.99/185,781.80 = 74,200.45/x
  3. Step 3: Cross multiply
    134,629.99x = 185,781.80 × 74,200.45
  4. Step 4: Simplify right side
    134,629.99x = 13,785,092,882.86
  5. Step 5: Solve for x
    x = 13,785,092,882.86/134,629.99
  6. Step 6: Final answer
    x = 102,392.44

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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.