Home / 133,231.19-183,857.65-75,082.50

Finding the Fourth Proportional to 133,231.19, 183,857.65 and 75,082.50

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Solution

The fourth proportional to 133,231.19, 183,857.65 and 75,082.50 is: 103,613.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,231.19 : 183,857.65 = 75,082.50 : x
  2. Step 2: Convert to fraction form
    133,231.19/183,857.65 = 75,082.50/x
  3. Step 3: Cross multiply
    133,231.19x = 183,857.65 × 75,082.50
  4. Step 4: Simplify right side
    133,231.19x = 13,804,491,818.42
  5. Step 5: Solve for x
    x = 13,804,491,818.42/133,231.19
  6. Step 6: Final answer
    x = 103,613.07

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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.