Home / 127,743.54-191,638.56-52,823.01

Finding the Fourth Proportional to 127,743.54, 191,638.56 and 52,823.01

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Solution

The fourth proportional to 127,743.54, 191,638.56 and 52,823.01 is: 79,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,743.54 : 191,638.56 = 52,823.01 : x
  2. Step 2: Convert to fraction form
    127,743.54/191,638.56 = 52,823.01/x
  3. Step 3: Cross multiply
    127,743.54x = 191,638.56 × 52,823.01
  4. Step 4: Simplify right side
    127,743.54x = 10,122,925,571.27
  5. Step 5: Solve for x
    x = 10,122,925,571.27/127,743.54
  6. Step 6: Final answer
    x = 79,244.13

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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.