Home / 141,357.84-195,071.29-77,695.62

Finding the Fourth Proportional to 141,357.84, 195,071.29 and 77,695.62

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Solution

The fourth proportional to 141,357.84, 195,071.29 and 77,695.62 is: 107,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,357.84 : 195,071.29 = 77,695.62 : x
  2. Step 2: Convert to fraction form
    141,357.84/195,071.29 = 77,695.62/x
  3. Step 3: Cross multiply
    141,357.84x = 195,071.29 × 77,695.62
  4. Step 4: Simplify right side
    141,357.84x = 15,156,184,820.75
  5. Step 5: Solve for x
    x = 15,156,184,820.75/141,357.84
  6. Step 6: Final answer
    x = 107,218.57

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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.