Home / 136,716.16-205,002.72-61,771.84

Finding the Fourth Proportional to 136,716.16, 205,002.72 and 61,771.84

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Solution

The fourth proportional to 136,716.16, 205,002.72 and 61,771.84 is: 92,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,716.16 : 205,002.72 = 61,771.84 : x
  2. Step 2: Convert to fraction form
    136,716.16/205,002.72 = 61,771.84/x
  3. Step 3: Cross multiply
    136,716.16x = 205,002.72 × 61,771.84
  4. Step 4: Simplify right side
    136,716.16x = 12,663,395,219.40
  5. Step 5: Solve for x
    x = 12,663,395,219.40/136,716.16
  6. Step 6: Final answer
    x = 92,625.45

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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.