Home / 141,899.77-195,823.20-77,368.48

Finding the Fourth Proportional to 141,899.77, 195,823.20 and 77,368.48

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Solution

The fourth proportional to 141,899.77, 195,823.20 and 77,368.48 is: 106,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,899.77 : 195,823.20 = 77,368.48 : x
  2. Step 2: Convert to fraction form
    141,899.77/195,823.20 = 77,368.48/x
  3. Step 3: Cross multiply
    141,899.77x = 195,823.20 × 77,368.48
  4. Step 4: Simplify right side
    141,899.77x = 15,150,544,234.82
  5. Step 5: Solve for x
    x = 15,150,544,234.82/141,899.77
  6. Step 6: Final answer
    x = 106,769.34

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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.