Home / 142,527.24-196,684.43-77,996.16

Finding the Fourth Proportional to 142,527.24, 196,684.43 and 77,996.16

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Solution

The fourth proportional to 142,527.24, 196,684.43 and 77,996.16 is: 107,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,527.24 : 196,684.43 = 77,996.16 : x
  2. Step 2: Convert to fraction form
    142,527.24/196,684.43 = 77,996.16/x
  3. Step 3: Cross multiply
    142,527.24x = 196,684.43 × 77,996.16
  4. Step 4: Simplify right side
    142,527.24x = 15,340,629,881.81
  5. Step 5: Solve for x
    x = 15,340,629,881.81/142,527.24
  6. Step 6: Final answer
    x = 107,632.97

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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.