Home / 194,619.64-291,825.60-99,811.35

Finding the Fourth Proportional to 194,619.64, 291,825.60 and 99,811.35

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Solution

The fourth proportional to 194,619.64, 291,825.60 and 99,811.35 is: 149,663.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,619.64 : 291,825.60 = 99,811.35 : x
  2. Step 2: Convert to fraction form
    194,619.64/291,825.60 = 99,811.35/x
  3. Step 3: Cross multiply
    194,619.64x = 291,825.60 × 99,811.35
  4. Step 4: Simplify right side
    194,619.64x = 29,127,507,100.56
  5. Step 5: Solve for x
    x = 29,127,507,100.56/194,619.64
  6. Step 6: Final answer
    x = 149,663.76

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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.