Home / 141,889.11-195,603.44-111,621.82

Finding the Fourth Proportional to 141,889.11, 195,603.44 and 111,621.82

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Solution

The fourth proportional to 141,889.11, 195,603.44 and 111,621.82 is: 153,878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,889.11 : 195,603.44 = 111,621.82 : x
  2. Step 2: Convert to fraction form
    141,889.11/195,603.44 = 111,621.82/x
  3. Step 3: Cross multiply
    141,889.11x = 195,603.44 × 111,621.82
  4. Step 4: Simplify right side
    141,889.11x = 21,833,611,971.06
  5. Step 5: Solve for x
    x = 21,833,611,971.06/141,889.11
  6. Step 6: Final answer
    x = 153,878.00

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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.