Home / 142,384.11-196,529.06-88,637.19

Finding the Fourth Proportional to 142,384.11, 196,529.06 and 88,637.19

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Solution

The fourth proportional to 142,384.11, 196,529.06 and 88,637.19 is: 122,343.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,384.11 : 196,529.06 = 88,637.19 : x
  2. Step 2: Convert to fraction form
    142,384.11/196,529.06 = 88,637.19/x
  3. Step 3: Cross multiply
    142,384.11x = 196,529.06 × 88,637.19
  4. Step 4: Simplify right side
    142,384.11x = 17,419,783,188.56
  5. Step 5: Solve for x
    x = 17,419,783,188.56/142,384.11
  6. Step 6: Final answer
    x = 122,343.59

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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.