Home / 146,751.04-202,422.36-100,788.52

Finding the Fourth Proportional to 146,751.04, 202,422.36 and 100,788.52

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Solution

The fourth proportional to 146,751.04, 202,422.36 and 100,788.52 is: 139,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,751.04 : 202,422.36 = 100,788.52 : x
  2. Step 2: Convert to fraction form
    146,751.04/202,422.36 = 100,788.52/x
  3. Step 3: Cross multiply
    146,751.04x = 202,422.36 × 100,788.52
  4. Step 4: Simplify right side
    146,751.04x = 20,401,850,079.31
  5. Step 5: Solve for x
    x = 20,401,850,079.31/146,751.04
  6. Step 6: Final answer
    x = 139,023.55

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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.