Home / 127,550.66-191,346.91-38,783.57

Finding the Fourth Proportional to 127,550.66, 191,346.91 and 38,783.57

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Solution

The fourth proportional to 127,550.66, 191,346.91 and 38,783.57 is: 58,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,550.66 : 191,346.91 = 38,783.57 : x
  2. Step 2: Convert to fraction form
    127,550.66/191,346.91 = 38,783.57/x
  3. Step 3: Cross multiply
    127,550.66x = 191,346.91 × 38,783.57
  4. Step 4: Simplify right side
    127,550.66x = 7,421,115,224.58
  5. Step 5: Solve for x
    x = 7,421,115,224.58/127,550.66
  6. Step 6: Final answer
    x = 58,181.71

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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.