Home / 191,977.25-264,895.80-111,386.30

Finding the Fourth Proportional to 191,977.25, 264,895.80 and 111,386.30

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Solution

The fourth proportional to 191,977.25, 264,895.80 and 111,386.30 is: 153,694.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,977.25 : 264,895.80 = 111,386.30 : x
  2. Step 2: Convert to fraction form
    191,977.25/264,895.80 = 111,386.30/x
  3. Step 3: Cross multiply
    191,977.25x = 264,895.80 × 111,386.30
  4. Step 4: Simplify right side
    191,977.25x = 29,505,763,047.54
  5. Step 5: Solve for x
    x = 29,505,763,047.54/191,977.25
  6. Step 6: Final answer
    x = 153,694.06

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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.