Home / 131,334.80-196,686.32-75,004.16

Finding the Fourth Proportional to 131,334.80, 196,686.32 and 75,004.16

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Solution

The fourth proportional to 131,334.80, 196,686.32 and 75,004.16 is: 112,325.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,334.80 : 196,686.32 = 75,004.16 : x
  2. Step 2: Convert to fraction form
    131,334.80/196,686.32 = 75,004.16/x
  3. Step 3: Cross multiply
    131,334.80x = 196,686.32 × 75,004.16
  4. Step 4: Simplify right side
    131,334.80x = 14,752,292,215.09
  5. Step 5: Solve for x
    x = 14,752,292,215.09/131,334.80
  6. Step 6: Final answer
    x = 112,325.84

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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.