Home / 133,192.89-183,775.10-82,207.77

Finding the Fourth Proportional to 133,192.89, 183,775.10 and 82,207.77

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Solution

The fourth proportional to 133,192.89, 183,775.10 and 82,207.77 is: 113,427.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,192.89 : 183,775.10 = 82,207.77 : x
  2. Step 2: Convert to fraction form
    133,192.89/183,775.10 = 82,207.77/x
  3. Step 3: Cross multiply
    133,192.89x = 183,775.10 × 82,207.77
  4. Step 4: Simplify right side
    133,192.89x = 15,107,740,741.49
  5. Step 5: Solve for x
    x = 15,107,740,741.49/133,192.89
  6. Step 6: Final answer
    x = 113,427.53

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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.