Home / 141,754.19-195,622.29-78,094.26

Finding the Fourth Proportional to 141,754.19, 195,622.29 and 78,094.26

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Solution

The fourth proportional to 141,754.19, 195,622.29 and 78,094.26 is: 107,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,754.19 : 195,622.29 = 78,094.26 : x
  2. Step 2: Convert to fraction form
    141,754.19/195,622.29 = 78,094.26/x
  3. Step 3: Cross multiply
    141,754.19x = 195,622.29 × 78,094.26
  4. Step 4: Simplify right side
    141,754.19x = 15,276,977,977.06
  5. Step 5: Solve for x
    x = 15,276,977,977.06/141,754.19
  6. Step 6: Final answer
    x = 107,770.91

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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.