Home / 191,609.28-264,420.90-111,083.58

Finding the Fourth Proportional to 191,609.28, 264,420.90 and 111,083.58

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Solution

The fourth proportional to 191,609.28, 264,420.90 and 111,083.58 is: 153,295.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,609.28 : 264,420.90 = 111,083.58 : x
  2. Step 2: Convert to fraction form
    191,609.28/264,420.90 = 111,083.58/x
  3. Step 3: Cross multiply
    191,609.28x = 264,420.90 × 111,083.58
  4. Step 4: Simplify right side
    191,609.28x = 29,372,820,198.82
  5. Step 5: Solve for x
    x = 29,372,820,198.82/191,609.28
  6. Step 6: Final answer
    x = 153,295.39

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1.5x scale

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.