Home / 141,444.82-195,199.06-77,788.54

Finding the Fourth Proportional to 141,444.82, 195,199.06 and 77,788.54

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Solution

The fourth proportional to 141,444.82, 195,199.06 and 77,788.54 is: 107,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,444.82 : 195,199.06 = 77,788.54 : x
  2. Step 2: Convert to fraction form
    141,444.82/195,199.06 = 77,788.54/x
  3. Step 3: Cross multiply
    141,444.82x = 195,199.06 × 77,788.54
  4. Step 4: Simplify right side
    141,444.82x = 15,184,249,204.30
  5. Step 5: Solve for x
    x = 15,184,249,204.30/141,444.82
  6. Step 6: Final answer
    x = 107,351.05

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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.