Home / 132,047.81-197,973.21-79,444.97

Finding the Fourth Proportional to 132,047.81, 197,973.21 and 79,444.97

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Solution

The fourth proportional to 132,047.81, 197,973.21 and 79,444.97 is: 119,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,047.81 : 197,973.21 = 79,444.97 : x
  2. Step 2: Convert to fraction form
    132,047.81/197,973.21 = 79,444.97/x
  3. Step 3: Cross multiply
    132,047.81x = 197,973.21 × 79,444.97
  4. Step 4: Simplify right side
    132,047.81x = 15,727,975,729.25
  5. Step 5: Solve for x
    x = 15,727,975,729.25/132,047.81
  6. Step 6: Final answer
    x = 119,108.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.