Home / 141,598.61-195,401.99-77,935.04

Finding the Fourth Proportional to 141,598.61, 195,401.99 and 77,935.04

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Solution

The fourth proportional to 141,598.61, 195,401.99 and 77,935.04 is: 107,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,598.61 : 195,401.99 = 77,935.04 : x
  2. Step 2: Convert to fraction form
    141,598.61/195,401.99 = 77,935.04/x
  3. Step 3: Cross multiply
    141,598.61x = 195,401.99 × 77,935.04
  4. Step 4: Simplify right side
    141,598.61x = 15,228,661,124.56
  5. Step 5: Solve for x
    x = 15,228,661,124.56/141,598.61
  6. Step 6: Final answer
    x = 107,548.10

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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.