Home / 194,495.72-291,795.48-69,837.80

Finding the Fourth Proportional to 194,495.72, 291,795.48 and 69,837.80

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Solution

The fourth proportional to 194,495.72, 291,795.48 and 69,837.80 is: 104,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,495.72 : 291,795.48 = 69,837.80 : x
  2. Step 2: Convert to fraction form
    194,495.72/291,795.48 = 69,837.80/x
  3. Step 3: Cross multiply
    194,495.72x = 291,795.48 × 69,837.80
  4. Step 4: Simplify right side
    194,495.72x = 20,378,354,373.14
  5. Step 5: Solve for x
    x = 20,378,354,373.14/194,495.72
  6. Step 6: Final answer
    x = 104,775.34

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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.