Home / 195,172.86-292,759.29-47,428.86

Finding the Fourth Proportional to 195,172.86, 292,759.29 and 47,428.86

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Solution

The fourth proportional to 195,172.86, 292,759.29 and 47,428.86 is: 71,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,172.86 : 292,759.29 = 47,428.86 : x
  2. Step 2: Convert to fraction form
    195,172.86/292,759.29 = 47,428.86/x
  3. Step 3: Cross multiply
    195,172.86x = 292,759.29 × 47,428.86
  4. Step 4: Simplify right side
    195,172.86x = 13,885,239,379.11
  5. Step 5: Solve for x
    x = 13,885,239,379.11/195,172.86
  6. Step 6: Final answer
    x = 71,143.29

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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.