Home / 127,550.19-191,352.78-38,810.85

Finding the Fourth Proportional to 127,550.19, 191,352.78 and 38,810.85

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Solution

The fourth proportional to 127,550.19, 191,352.78 and 38,810.85 is: 58,224.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,550.19 : 191,352.78 = 38,810.85 : x
  2. Step 2: Convert to fraction form
    127,550.19/191,352.78 = 38,810.85/x
  3. Step 3: Cross multiply
    127,550.19x = 191,352.78 × 38,810.85
  4. Step 4: Simplify right side
    127,550.19x = 7,426,563,324.09
  5. Step 5: Solve for x
    x = 7,426,563,324.09/127,550.19
  6. Step 6: Final answer
    x = 58,224.63

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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.