Home / 191,764.80-264,634.56-111,239.04

Finding the Fourth Proportional to 191,764.80, 264,634.56 and 111,239.04

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Solution

The fourth proportional to 191,764.80, 264,634.56 and 111,239.04 is: 153,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,764.80 : 264,634.56 = 111,239.04 : x
  2. Step 2: Convert to fraction form
    191,764.80/264,634.56 = 111,239.04/x
  3. Step 3: Cross multiply
    191,764.80x = 264,634.56 × 111,239.04
  4. Step 4: Simplify right side
    191,764.80x = 29,437,694,405.22
  5. Step 5: Solve for x
    x = 29,437,694,405.22/191,764.80
  6. Step 6: Final answer
    x = 153,509.37

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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.