Home / 127,890.96-191,836.17-34,396.80

Finding the Fourth Proportional to 127,890.96, 191,836.17 and 34,396.80

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Solution

The fourth proportional to 127,890.96, 191,836.17 and 34,396.80 is: 51,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,890.96 : 191,836.17 = 34,396.80 : x
  2. Step 2: Convert to fraction form
    127,890.96/191,836.17 = 34,396.80/x
  3. Step 3: Cross multiply
    127,890.96x = 191,836.17 × 34,396.80
  4. Step 4: Simplify right side
    127,890.96x = 6,598,550,372.26
  5. Step 5: Solve for x
    x = 6,598,550,372.26/127,890.96
  6. Step 6: Final answer
    x = 51,595.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.