Home / 141,358.34-195,071.99-77,696.12

Finding the Fourth Proportional to 141,358.34, 195,071.99 and 77,696.12

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Solution

The fourth proportional to 141,358.34, 195,071.99 and 77,696.12 is: 107,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,358.34 : 195,071.99 = 77,696.12 : x
  2. Step 2: Convert to fraction form
    141,358.34/195,071.99 = 77,696.12/x
  3. Step 3: Cross multiply
    141,358.34x = 195,071.99 × 77,696.12
  4. Step 4: Simplify right side
    141,358.34x = 15,156,335,379.84
  5. Step 5: Solve for x
    x = 15,156,335,379.84/141,358.34
  6. Step 6: Final answer
    x = 107,219.26

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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.