Home / 155,697.57-233,620.07-92,642.31

Finding the Fourth Proportional to 155,697.57, 233,620.07 and 92,642.31

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Solution

The fourth proportional to 155,697.57, 233,620.07 and 92,642.31 is: 139,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,697.57 : 233,620.07 = 92,642.31 : x
  2. Step 2: Convert to fraction form
    155,697.57/233,620.07 = 92,642.31/x
  3. Step 3: Cross multiply
    155,697.57x = 233,620.07 × 92,642.31
  4. Step 4: Simplify right side
    155,697.57x = 21,643,102,483.95
  5. Step 5: Solve for x
    x = 21,643,102,483.95/155,697.57
  6. Step 6: Final answer
    x = 139,007.32

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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.