Home / 110,332.26-165,448.71-31,428.54

Finding the Fourth Proportional to 110,332.26, 165,448.71 and 31,428.54

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Solution

The fourth proportional to 110,332.26, 165,448.71 and 31,428.54 is: 47,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,332.26 : 165,448.71 = 31,428.54 : x
  2. Step 2: Convert to fraction form
    110,332.26/165,448.71 = 31,428.54/x
  3. Step 3: Cross multiply
    110,332.26x = 165,448.71 × 31,428.54
  4. Step 4: Simplify right side
    110,332.26x = 5,199,811,400.18
  5. Step 5: Solve for x
    x = 5,199,811,400.18/110,332.26
  6. Step 6: Final answer
    x = 47,128.66

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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.