Home / 141,855.63-195,774.55-105,983.36

Finding the Fourth Proportional to 141,855.63, 195,774.55 and 105,983.36

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Solution

The fourth proportional to 141,855.63, 195,774.55 and 105,983.36 is: 146,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,855.63 : 195,774.55 = 105,983.36 : x
  2. Step 2: Convert to fraction form
    141,855.63/195,774.55 = 105,983.36/x
  3. Step 3: Cross multiply
    141,855.63x = 195,774.55 × 105,983.36
  4. Step 4: Simplify right side
    141,855.63x = 20,748,843,632.62
  5. Step 5: Solve for x
    x = 20,748,843,632.62/141,855.63
  6. Step 6: Final answer
    x = 146,267.33

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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.