Home / 136,919.04-205,401.92-61,045.11

Finding the Fourth Proportional to 136,919.04, 205,401.92 and 61,045.11

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Solution

The fourth proportional to 136,919.04, 205,401.92 and 61,045.11 is: 91,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,919.04 : 205,401.92 = 61,045.11 : x
  2. Step 2: Convert to fraction form
    136,919.04/205,401.92 = 61,045.11/x
  3. Step 3: Cross multiply
    136,919.04x = 205,401.92 × 61,045.11
  4. Step 4: Simplify right side
    136,919.04x = 12,538,782,495.39
  5. Step 5: Solve for x
    x = 12,538,782,495.39/136,919.04
  6. Step 6: Final answer
    x = 91,578.08

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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.