Home / 134,534.62-185,653.92-77,183.47

Finding the Fourth Proportional to 134,534.62, 185,653.92 and 77,183.47

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Solution

The fourth proportional to 134,534.62, 185,653.92 and 77,183.47 is: 106,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,534.62 : 185,653.92 = 77,183.47 : x
  2. Step 2: Convert to fraction form
    134,534.62/185,653.92 = 77,183.47/x
  3. Step 3: Cross multiply
    134,534.62x = 185,653.92 × 77,183.47
  4. Step 4: Simplify right side
    134,534.62x = 14,329,413,764.70
  5. Step 5: Solve for x
    x = 14,329,413,764.70/134,534.62
  6. Step 6: Final answer
    x = 106,510.98

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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.