Home / 191,913.12-264,839.33-105,877.45

Finding the Fourth Proportional to 191,913.12, 264,839.33 and 105,877.45

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Solution

The fourth proportional to 191,913.12, 264,839.33 and 105,877.45 is: 146,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,913.12 : 264,839.33 = 105,877.45 : x
  2. Step 2: Convert to fraction form
    191,913.12/264,839.33 = 105,877.45/x
  3. Step 3: Cross multiply
    191,913.12x = 264,839.33 × 105,877.45
  4. Step 4: Simplify right side
    191,913.12x = 28,040,511,066.52
  5. Step 5: Solve for x
    x = 28,040,511,066.52/191,913.12
  6. Step 6: Final answer
    x = 146,110.45

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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.