Home / 134,103.24-185,062.86-80,390.52

Finding the Fourth Proportional to 134,103.24, 185,062.86 and 80,390.52

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Solution

The fourth proportional to 134,103.24, 185,062.86 and 80,390.52 is: 110,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,103.24 : 185,062.86 = 80,390.52 : x
  2. Step 2: Convert to fraction form
    134,103.24/185,062.86 = 80,390.52/x
  3. Step 3: Cross multiply
    134,103.24x = 185,062.86 × 80,390.52
  4. Step 4: Simplify right side
    134,103.24x = 14,877,299,548.09
  5. Step 5: Solve for x
    x = 14,877,299,548.09/134,103.24
  6. Step 6: Final answer
    x = 110,939.15

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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.