Home / 141,816.06-195,705.18-78,153.93

Finding the Fourth Proportional to 141,816.06, 195,705.18 and 78,153.93

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Solution

The fourth proportional to 141,816.06, 195,705.18 and 78,153.93 is: 107,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,816.06 : 195,705.18 = 78,153.93 : x
  2. Step 2: Convert to fraction form
    141,816.06/195,705.18 = 78,153.93/x
  3. Step 3: Cross multiply
    141,816.06x = 195,705.18 × 78,153.93
  4. Step 4: Simplify right side
    141,816.06x = 15,295,128,938.36
  5. Step 5: Solve for x
    x = 15,295,128,938.36/141,816.06
  6. Step 6: Final answer
    x = 107,851.88

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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.