Home / 142,270.27-196,316.13-84,898.96

Finding the Fourth Proportional to 142,270.27, 196,316.13 and 84,898.96

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Solution

The fourth proportional to 142,270.27, 196,316.13 and 84,898.96 is: 117,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,270.27 : 196,316.13 = 84,898.96 : x
  2. Step 2: Convert to fraction form
    142,270.27/196,316.13 = 84,898.96/x
  3. Step 3: Cross multiply
    142,270.27x = 196,316.13 × 84,898.96
  4. Step 4: Simplify right side
    142,270.27x = 16,667,035,268.22
  5. Step 5: Solve for x
    x = 16,667,035,268.22/142,270.27
  6. Step 6: Final answer
    x = 117,150.51

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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.