Home / 134,066.87-185,013.78-73,638.91

Finding the Fourth Proportional to 134,066.87, 185,013.78 and 73,638.91

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Solution

The fourth proportional to 134,066.87, 185,013.78 and 73,638.91 is: 101,622.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,066.87 : 185,013.78 = 73,638.91 : x
  2. Step 2: Convert to fraction form
    134,066.87/185,013.78 = 73,638.91/x
  3. Step 3: Cross multiply
    134,066.87x = 185,013.78 × 73,638.91
  4. Step 4: Simplify right side
    134,066.87x = 13,624,213,094.18
  5. Step 5: Solve for x
    x = 13,624,213,094.18/134,066.87
  6. Step 6: Final answer
    x = 101,622.52

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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.