Home / 127,185.14-175,516.18-79,466.18

Finding the Fourth Proportional to 127,185.14, 175,516.18 and 79,466.18

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Solution

The fourth proportional to 127,185.14, 175,516.18 and 79,466.18 is: 109,663.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,185.14 : 175,516.18 = 79,466.18 : x
  2. Step 2: Convert to fraction form
    127,185.14/175,516.18 = 79,466.18/x
  3. Step 3: Cross multiply
    127,185.14x = 175,516.18 × 79,466.18
  4. Step 4: Simplify right side
    127,185.14x = 13,947,600,352.79
  5. Step 5: Solve for x
    x = 13,947,600,352.79/127,185.14
  6. Step 6: Final answer
    x = 109,663.76

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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.