Home / 127,317.20-191,039.16-96,342.48

Finding the Fourth Proportional to 127,317.20, 191,039.16 and 96,342.48

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Solution

The fourth proportional to 127,317.20, 191,039.16 and 96,342.48 is: 144,561.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,317.20 : 191,039.16 = 96,342.48 : x
  2. Step 2: Convert to fraction form
    127,317.20/191,039.16 = 96,342.48/x
  3. Step 3: Cross multiply
    127,317.20x = 191,039.16 × 96,342.48
  4. Step 4: Simplify right side
    127,317.20x = 18,405,186,451.52
  5. Step 5: Solve for x
    x = 18,405,186,451.52/127,317.20
  6. Step 6: Final answer
    x = 144,561.67

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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.