Home / 133,106.24-183,620.30-79,353.38

Finding the Fourth Proportional to 133,106.24, 183,620.30 and 79,353.38

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Solution

The fourth proportional to 133,106.24, 183,620.30 and 79,353.38 is: 109,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,106.24 : 183,620.30 = 79,353.38 : x
  2. Step 2: Convert to fraction form
    133,106.24/183,620.30 = 79,353.38/x
  3. Step 3: Cross multiply
    133,106.24x = 183,620.30 × 79,353.38
  4. Step 4: Simplify right side
    133,106.24x = 14,570,891,441.61
  5. Step 5: Solve for x
    x = 14,570,891,441.61/133,106.24
  6. Step 6: Final answer
    x = 109,468.13

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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.