Home / 141,116.65-194,706.57-79,864.26

Finding the Fourth Proportional to 141,116.65, 194,706.57 and 79,864.26

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Solution

The fourth proportional to 141,116.65, 194,706.57 and 79,864.26 is: 110,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,116.65 : 194,706.57 = 79,864.26 : x
  2. Step 2: Convert to fraction form
    141,116.65/194,706.57 = 79,864.26/x
  3. Step 3: Cross multiply
    141,116.65x = 194,706.57 × 79,864.26
  4. Step 4: Simplify right side
    141,116.65x = 15,550,096,130.19
  5. Step 5: Solve for x
    x = 15,550,096,130.19/141,116.65
  6. Step 6: Final answer
    x = 110,193.21

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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.