Home / 155,628.22-233,515.22-76,699.39

Finding the Fourth Proportional to 155,628.22, 233,515.22 and 76,699.39

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Solution

The fourth proportional to 155,628.22, 233,515.22 and 76,699.39 is: 115,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,628.22 : 233,515.22 = 76,699.39 : x
  2. Step 2: Convert to fraction form
    155,628.22/233,515.22 = 76,699.39/x
  3. Step 3: Cross multiply
    155,628.22x = 233,515.22 × 76,699.39
  4. Step 4: Simplify right side
    155,628.22x = 17,910,474,929.72
  5. Step 5: Solve for x
    x = 17,910,474,929.72/155,628.22
  6. Step 6: Final answer
    x = 115,085.01

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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.