Home / 191,098.86-263,719.57-105,061.43

Finding the Fourth Proportional to 191,098.86, 263,719.57 and 105,061.43

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Solution

The fourth proportional to 191,098.86, 263,719.57 and 105,061.43 is: 144,986.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,098.86 : 263,719.57 = 105,061.43 : x
  2. Step 2: Convert to fraction form
    191,098.86/263,719.57 = 105,061.43/x
  3. Step 3: Cross multiply
    191,098.86x = 263,719.57 × 105,061.43
  4. Step 4: Simplify right side
    191,098.86x = 27,706,754,625.75
  5. Step 5: Solve for x
    x = 27,706,754,625.75/191,098.86
  6. Step 6: Final answer
    x = 144,986.50

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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.