Home / 133,070.39-183,630.66-75,704.30

Finding the Fourth Proportional to 133,070.39, 183,630.66 and 75,704.30

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Solution

The fourth proportional to 133,070.39, 183,630.66 and 75,704.30 is: 104,468.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070.39 : 183,630.66 = 75,704.30 : x
  2. Step 2: Convert to fraction form
    133,070.39/183,630.66 = 75,704.30/x
  3. Step 3: Cross multiply
    133,070.39x = 183,630.66 × 75,704.30
  4. Step 4: Simplify right side
    133,070.39x = 13,901,629,655.68
  5. Step 5: Solve for x
    x = 13,901,629,655.68/133,070.39
  6. Step 6: Final answer
    x = 104,468.25

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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.