Home / 141,493.02-195,257.16-77,829.45

Finding the Fourth Proportional to 141,493.02, 195,257.16 and 77,829.45

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Solution

The fourth proportional to 141,493.02, 195,257.16 and 77,829.45 is: 107,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,493.02 : 195,257.16 = 77,829.45 : x
  2. Step 2: Convert to fraction form
    141,493.02/195,257.16 = 77,829.45/x
  3. Step 3: Cross multiply
    141,493.02x = 195,257.16 × 77,829.45
  4. Step 4: Simplify right side
    141,493.02x = 15,196,757,371.36
  5. Step 5: Solve for x
    x = 15,196,757,371.36/141,493.02
  6. Step 6: Final answer
    x = 107,402.88

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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.