Home / 127,585.26-191,388.69-38,839.50

Finding the Fourth Proportional to 127,585.26, 191,388.69 and 38,839.50

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Solution

The fourth proportional to 127,585.26, 191,388.69 and 38,839.50 is: 58,262.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,585.26 : 191,388.69 = 38,839.50 : x
  2. Step 2: Convert to fraction form
    127,585.26/191,388.69 = 38,839.50/x
  3. Step 3: Cross multiply
    127,585.26x = 191,388.69 × 38,839.50
  4. Step 4: Simplify right side
    127,585.26x = 7,433,441,025.26
  5. Step 5: Solve for x
    x = 7,433,441,025.26/127,585.26
  6. Step 6: Final answer
    x = 58,262.54

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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.