Home / 136,225.42-187,992-75,798.61

Finding the Fourth Proportional to 136,225.42, 187,992 and 75,798.61

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Solution

The fourth proportional to 136,225.42, 187,992 and 75,798.61 is: 104,602.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,225.42 : 187,992 = 75,798.61 : x
  2. Step 2: Convert to fraction form
    136,225.42/187,992 = 75,798.61/x
  3. Step 3: Cross multiply
    136,225.42x = 187,992 × 75,798.61
  4. Step 4: Simplify right side
    136,225.42x = 14,249,531,821.14
  5. Step 5: Solve for x
    x = 14,249,531,821.14/136,225.42
  6. Step 6: Final answer
    x = 104,602.59

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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.