Home / 191,132.36-263,769.43-105,097.89

Finding the Fourth Proportional to 191,132.36, 263,769.43 and 105,097.89

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Solution

The fourth proportional to 191,132.36, 263,769.43 and 105,097.89 is: 145,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,132.36 : 263,769.43 = 105,097.89 : x
  2. Step 2: Convert to fraction form
    191,132.36/263,769.43 = 105,097.89/x
  3. Step 3: Cross multiply
    191,132.36x = 263,769.43 × 105,097.89
  4. Step 4: Simplify right side
    191,132.36x = 27,721,610,648.64
  5. Step 5: Solve for x
    x = 27,721,610,648.64/191,132.36
  6. Step 6: Final answer
    x = 145,038.81

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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.