Home / 141,532.70-195,315.46-77,874.60

Finding the Fourth Proportional to 141,532.70, 195,315.46 and 77,874.60

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Solution

The fourth proportional to 141,532.70, 195,315.46 and 77,874.60 is: 107,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,532.70 : 195,315.46 = 77,874.60 : x
  2. Step 2: Convert to fraction form
    141,532.70/195,315.46 = 77,874.60/x
  3. Step 3: Cross multiply
    141,532.70x = 195,315.46 × 77,874.60
  4. Step 4: Simplify right side
    141,532.70x = 15,210,113,321.32
  5. Step 5: Solve for x
    x = 15,210,113,321.32/141,532.70
  6. Step 6: Final answer
    x = 107,467.13

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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.