Home / 191,812.36-264,702.19-111,287.83

Finding the Fourth Proportional to 191,812.36, 264,702.19 and 111,287.83

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Solution

The fourth proportional to 191,812.36, 264,702.19 and 111,287.83 is: 153,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,812.36 : 264,702.19 = 111,287.83 : x
  2. Step 2: Convert to fraction form
    191,812.36/264,702.19 = 111,287.83/x
  3. Step 3: Cross multiply
    191,812.36x = 264,702.19 × 111,287.83
  4. Step 4: Simplify right side
    191,812.36x = 29,458,131,381.37
  5. Step 5: Solve for x
    x = 29,458,131,381.37/191,812.36
  6. Step 6: Final answer
    x = 153,577.86

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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.