Home / 194,564.33-291,861.53-74,678.91

Finding the Fourth Proportional to 194,564.33, 291,861.53 and 74,678.91

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Solution

The fourth proportional to 194,564.33, 291,861.53 and 74,678.91 is: 112,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,564.33 : 291,861.53 = 74,678.91 : x
  2. Step 2: Convert to fraction form
    194,564.33/291,861.53 = 74,678.91/x
  3. Step 3: Cross multiply
    194,564.33x = 291,861.53 × 74,678.91
  4. Step 4: Simplify right side
    194,564.33x = 21,795,901,385.22
  5. Step 5: Solve for x
    x = 21,795,901,385.22/194,564.33
  6. Step 6: Final answer
    x = 112,024.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.