Home / 127,302.21-175,795.20-82,085.97

Finding the Fourth Proportional to 127,302.21, 175,795.20 and 82,085.97

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Solution

The fourth proportional to 127,302.21, 175,795.20 and 82,085.97 is: 113,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,302.21 : 175,795.20 = 82,085.97 : x
  2. Step 2: Convert to fraction form
    127,302.21/175,795.20 = 82,085.97/x
  3. Step 3: Cross multiply
    127,302.21x = 175,795.20 × 82,085.97
  4. Step 4: Simplify right side
    127,302.21x = 14,430,319,513.34
  5. Step 5: Solve for x
    x = 14,430,319,513.34/127,302.21
  6. Step 6: Final answer
    x = 113,354.82

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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.