Home / 201,566.48-278,165.34-110,921.60

Finding the Fourth Proportional to 201,566.48, 278,165.34 and 110,921.60

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Solution

The fourth proportional to 201,566.48, 278,165.34 and 110,921.60 is: 153,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,566.48 : 278,165.34 = 110,921.60 : x
  2. Step 2: Convert to fraction form
    201,566.48/278,165.34 = 110,921.60/x
  3. Step 3: Cross multiply
    201,566.48x = 278,165.34 × 110,921.60
  4. Step 4: Simplify right side
    201,566.48x = 30,854,545,272.76
  5. Step 5: Solve for x
    x = 30,854,545,272.76/201,566.48
  6. Step 6: Final answer
    x = 153,073.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.