Home / 191,167.25-263,800.67-105,124.59

Finding the Fourth Proportional to 191,167.25, 263,800.67 and 105,124.59

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Solution

The fourth proportional to 191,167.25, 263,800.67 and 105,124.59 is: 145,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,167.25 : 263,800.67 = 105,124.59 : x
  2. Step 2: Convert to fraction form
    191,167.25/263,800.67 = 105,124.59/x
  3. Step 3: Cross multiply
    191,167.25x = 263,800.67 × 105,124.59
  4. Step 4: Simplify right side
    191,167.25x = 27,731,936,749.85
  5. Step 5: Solve for x
    x = 27,731,936,749.85/191,167.25
  6. Step 6: Final answer
    x = 145,066.36

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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.