Home / 141,927.82-195,851.44-81,455.90

Finding the Fourth Proportional to 141,927.82, 195,851.44 and 81,455.90

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Solution

The fourth proportional to 141,927.82, 195,851.44 and 81,455.90 is: 112,404.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,927.82 : 195,851.44 = 81,455.90 : x
  2. Step 2: Convert to fraction form
    141,927.82/195,851.44 = 81,455.90/x
  3. Step 3: Cross multiply
    141,927.82x = 195,851.44 × 81,455.90
  4. Step 4: Simplify right side
    141,927.82x = 15,953,254,434.06
  5. Step 5: Solve for x
    x = 15,953,254,434.06/141,927.82
  6. Step 6: Final answer
    x = 112,404.00

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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.