Home / 133,067.77-183,606.10-76,468.21

Finding the Fourth Proportional to 133,067.77, 183,606.10 and 76,468.21

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Solution

The fourth proportional to 133,067.77, 183,606.10 and 76,468.21 is: 105,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,067.77 : 183,606.10 = 76,468.21 : x
  2. Step 2: Convert to fraction form
    133,067.77/183,606.10 = 76,468.21/x
  3. Step 3: Cross multiply
    133,067.77x = 183,606.10 × 76,468.21
  4. Step 4: Simplify right side
    133,067.77x = 14,040,029,161.90
  5. Step 5: Solve for x
    x = 14,040,029,161.90/133,067.77
  6. Step 6: Final answer
    x = 105,510.37

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1.5x scale

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.