Home / 127,544.40-191,319.75-60,991.56

Finding the Fourth Proportional to 127,544.40, 191,319.75 and 60,991.56

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Solution

The fourth proportional to 127,544.40, 191,319.75 and 60,991.56 is: 91,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,544.40 : 191,319.75 = 60,991.56 : x
  2. Step 2: Convert to fraction form
    127,544.40/191,319.75 = 60,991.56/x
  3. Step 3: Cross multiply
    127,544.40x = 191,319.75 × 60,991.56
  4. Step 4: Simplify right side
    127,544.40x = 11,668,890,011.31
  5. Step 5: Solve for x
    x = 11,668,890,011.31/127,544.40
  6. Step 6: Final answer
    x = 91,488.85

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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.