Home / 171,019.80-256,557.78-52,691.16

Finding the Fourth Proportional to 171,019.80, 256,557.78 and 52,691.16

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Solution

The fourth proportional to 171,019.80, 256,557.78 and 52,691.16 is: 79,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,019.80 : 256,557.78 = 52,691.16 : x
  2. Step 2: Convert to fraction form
    171,019.80/256,557.78 = 52,691.16/x
  3. Step 3: Cross multiply
    171,019.80x = 256,557.78 × 52,691.16
  4. Step 4: Simplify right side
    171,019.80x = 13,518,327,035.22
  5. Step 5: Solve for x
    x = 13,518,327,035.22/171,019.80
  6. Step 6: Final answer
    x = 79,045.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.