Home / 194,005.12-291,019.96-60,890.64

Finding the Fourth Proportional to 194,005.12, 291,019.96 and 60,890.64

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Solution

The fourth proportional to 194,005.12, 291,019.96 and 60,890.64 is: 91,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,005.12 : 291,019.96 = 60,890.64 : x
  2. Step 2: Convert to fraction form
    194,005.12/291,019.96 = 60,890.64/x
  3. Step 3: Cross multiply
    194,005.12x = 291,019.96 × 60,890.64
  4. Step 4: Simplify right side
    194,005.12x = 17,720,391,617.17
  5. Step 5: Solve for x
    x = 17,720,391,617.17/194,005.12
  6. Step 6: Final answer
    x = 91,339.81

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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.