Home / 141,436.55-195,154.48-79,349.11

Finding the Fourth Proportional to 141,436.55, 195,154.48 and 79,349.11

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Solution

The fourth proportional to 141,436.55, 195,154.48 and 79,349.11 is: 109,486.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,436.55 : 195,154.48 = 79,349.11 : x
  2. Step 2: Convert to fraction form
    141,436.55/195,154.48 = 79,349.11/x
  3. Step 3: Cross multiply
    141,436.55x = 195,154.48 × 79,349.11
  4. Step 4: Simplify right side
    141,436.55x = 15,485,334,300.51
  5. Step 5: Solve for x
    x = 15,485,334,300.51/141,436.55
  6. Step 6: Final answer
    x = 109,486.09

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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.