Home / 127,708.28-191,567.81-37,751.19

Finding the Fourth Proportional to 127,708.28, 191,567.81 and 37,751.19

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Solution

The fourth proportional to 127,708.28, 191,567.81 and 37,751.19 is: 56,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,708.28 : 191,567.81 = 37,751.19 : x
  2. Step 2: Convert to fraction form
    127,708.28/191,567.81 = 37,751.19/x
  3. Step 3: Cross multiply
    127,708.28x = 191,567.81 × 37,751.19
  4. Step 4: Simplify right side
    127,708.28x = 7,231,912,793.19
  5. Step 5: Solve for x
    x = 7,231,912,793.19/127,708.28
  6. Step 6: Final answer
    x = 56,628.38

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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.