Home / 141,364.89-195,083.61-77,706.84

Finding the Fourth Proportional to 141,364.89, 195,083.61 and 77,706.84

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Solution

The fourth proportional to 141,364.89, 195,083.61 and 77,706.84 is: 107,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,364.89 : 195,083.61 = 77,706.84 : x
  2. Step 2: Convert to fraction form
    141,364.89/195,083.61 = 77,706.84/x
  3. Step 3: Cross multiply
    141,364.89x = 195,083.61 × 77,706.84
  4. Step 4: Simplify right side
    141,364.89x = 15,159,330,868.89
  5. Step 5: Solve for x
    x = 15,159,330,868.89/141,364.89
  6. Step 6: Final answer
    x = 107,235.47

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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.