Home / 136,197.86-187,950.22-75,767.20

Finding the Fourth Proportional to 136,197.86, 187,950.22 and 75,767.20

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Solution

The fourth proportional to 136,197.86, 187,950.22 and 75,767.20 is: 104,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,197.86 : 187,950.22 = 75,767.20 : x
  2. Step 2: Convert to fraction form
    136,197.86/187,950.22 = 75,767.20/x
  3. Step 3: Cross multiply
    136,197.86x = 187,950.22 × 75,767.20
  4. Step 4: Simplify right side
    136,197.86x = 14,240,461,675.68
  5. Step 5: Solve for x
    x = 14,240,461,675.68/136,197.86
  6. Step 6: Final answer
    x = 104,557.17

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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.