Home / 127,707.28-191,566.31-37,750.19

Finding the Fourth Proportional to 127,707.28, 191,566.31 and 37,750.19

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Solution

The fourth proportional to 127,707.28, 191,566.31 and 37,750.19 is: 56,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,707.28 : 191,566.31 = 37,750.19 : x
  2. Step 2: Convert to fraction form
    127,707.28/191,566.31 = 37,750.19/x
  3. Step 3: Cross multiply
    127,707.28x = 191,566.31 × 37,750.19
  4. Step 4: Simplify right side
    127,707.28x = 7,231,665,249.45
  5. Step 5: Solve for x
    x = 7,231,665,249.45/127,707.28
  6. Step 6: Final answer
    x = 56,626.89

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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.