Home / 134,854.46-186,092.84-77,453.40

Finding the Fourth Proportional to 134,854.46, 186,092.84 and 77,453.40

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Solution

The fourth proportional to 134,854.46, 186,092.84 and 77,453.40 is: 106,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,854.46 : 186,092.84 = 77,453.40 : x
  2. Step 2: Convert to fraction form
    134,854.46/186,092.84 = 77,453.40/x
  3. Step 3: Cross multiply
    134,854.46x = 186,092.84 × 77,453.40
  4. Step 4: Simplify right side
    134,854.46x = 14,413,522,786.39
  5. Step 5: Solve for x
    x = 14,413,522,786.39/134,854.46
  6. Step 6: Final answer
    x = 106,882.07

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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.