Home / 134,066.74-185,013.62-73,638.78

Finding the Fourth Proportional to 134,066.74, 185,013.62 and 73,638.78

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Solution

The fourth proportional to 134,066.74, 185,013.62 and 73,638.78 is: 101,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,066.74 : 185,013.62 = 73,638.78 : x
  2. Step 2: Convert to fraction form
    134,066.74/185,013.62 = 73,638.78/x
  3. Step 3: Cross multiply
    134,066.74x = 185,013.62 × 73,638.78
  4. Step 4: Simplify right side
    134,066.74x = 13,624,177,260.18
  5. Step 5: Solve for x
    x = 13,624,177,260.18/134,066.74
  6. Step 6: Final answer
    x = 101,622.35

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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.