Home / 110,212.60-165,159.36-75,983.24

Finding the Fourth Proportional to 110,212.60, 165,159.36 and 75,983.24

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Solution

The fourth proportional to 110,212.60, 165,159.36 and 75,983.24 is: 113,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,212.60 : 165,159.36 = 75,983.24 : x
  2. Step 2: Convert to fraction form
    110,212.60/165,159.36 = 75,983.24/x
  3. Step 3: Cross multiply
    110,212.60x = 165,159.36 × 75,983.24
  4. Step 4: Simplify right side
    110,212.60x = 12,549,343,289.13
  5. Step 5: Solve for x
    x = 12,549,343,289.13/110,212.60
  6. Step 6: Final answer
    x = 113,864.87

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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.