Home / 191,148.46-263,791.65-105,114.04

Finding the Fourth Proportional to 191,148.46, 263,791.65 and 105,114.04

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Solution

The fourth proportional to 191,148.46, 263,791.65 and 105,114.04 is: 145,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,148.46 : 263,791.65 = 105,114.04 : x
  2. Step 2: Convert to fraction form
    191,148.46/263,791.65 = 105,114.04/x
  3. Step 3: Cross multiply
    191,148.46x = 263,791.65 × 105,114.04
  4. Step 4: Simplify right side
    191,148.46x = 27,728,205,784.46
  5. Step 5: Solve for x
    x = 27,728,205,784.46/191,148.46
  6. Step 6: Final answer
    x = 145,061.10

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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.