Home / 136,975.02-205,517.03-52,712.56

Finding the Fourth Proportional to 136,975.02, 205,517.03 and 52,712.56

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Solution

The fourth proportional to 136,975.02, 205,517.03 and 52,712.56 is: 79,089.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,975.02 : 205,517.03 = 52,712.56 : x
  2. Step 2: Convert to fraction form
    136,975.02/205,517.03 = 52,712.56/x
  3. Step 3: Cross multiply
    136,975.02x = 205,517.03 × 52,712.56
  4. Step 4: Simplify right side
    136,975.02x = 10,833,328,774.90
  5. Step 5: Solve for x
    x = 10,833,328,774.90/136,975.02
  6. Step 6: Final answer
    x = 79,089.81

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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.