Home / 127,286.66-175,636.08-73,561.31

Finding the Fourth Proportional to 127,286.66, 175,636.08 and 73,561.31

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Solution

The fourth proportional to 127,286.66, 175,636.08 and 73,561.31 is: 101,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,286.66 : 175,636.08 = 73,561.31 : x
  2. Step 2: Convert to fraction form
    127,286.66/175,636.08 = 73,561.31/x
  3. Step 3: Cross multiply
    127,286.66x = 175,636.08 × 73,561.31
  4. Step 4: Simplify right side
    127,286.66x = 12,920,020,128.06
  5. Step 5: Solve for x
    x = 12,920,020,128.06/127,286.66
  6. Step 6: Final answer
    x = 101,503.33

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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.