Home / 191,829.15-264,654.81-111,212.28

Finding the Fourth Proportional to 191,829.15, 264,654.81 and 111,212.28

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Solution

The fourth proportional to 191,829.15, 264,654.81 and 111,212.28 is: 153,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,829.15 : 264,654.81 = 111,212.28 : x
  2. Step 2: Convert to fraction form
    191,829.15/264,654.81 = 111,212.28/x
  3. Step 3: Cross multiply
    191,829.15x = 264,654.81 × 111,212.28
  4. Step 4: Simplify right side
    191,829.15x = 29,432,864,833.07
  5. Step 5: Solve for x
    x = 29,432,864,833.07/191,829.15
  6. Step 6: Final answer
    x = 153,432.70

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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.