Home / 191,979.25-264,898.56-111,388.30

Finding the Fourth Proportional to 191,979.25, 264,898.56 and 111,388.30

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Solution

The fourth proportional to 191,979.25, 264,898.56 and 111,388.30 is: 153,696.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,979.25 : 264,898.56 = 111,388.30 : x
  2. Step 2: Convert to fraction form
    191,979.25/264,898.56 = 111,388.30/x
  3. Step 3: Cross multiply
    191,979.25x = 264,898.56 × 111,388.30
  4. Step 4: Simplify right side
    191,979.25x = 29,506,600,270.85
  5. Step 5: Solve for x
    x = 29,506,600,270.85/191,979.25
  6. Step 6: Final answer
    x = 153,696.82

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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.