Home / 127,519.22-191,289.54-38,773.49

Finding the Fourth Proportional to 127,519.22, 191,289.54 and 38,773.49

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Solution

The fourth proportional to 127,519.22, 191,289.54 and 38,773.49 is: 58,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,519.22 : 191,289.54 = 38,773.49 : x
  2. Step 2: Convert to fraction form
    127,519.22/191,289.54 = 38,773.49/x
  3. Step 3: Cross multiply
    127,519.22x = 191,289.54 × 38,773.49
  4. Step 4: Simplify right side
    127,519.22x = 7,416,963,066.29
  5. Step 5: Solve for x
    x = 7,416,963,066.29/127,519.22
  6. Step 6: Final answer
    x = 58,163.49

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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.