Home / 131,577.98-197,416.53-79,024.10

Finding the Fourth Proportional to 131,577.98, 197,416.53 and 79,024.10

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Solution

The fourth proportional to 131,577.98, 197,416.53 and 79,024.10 is: 118,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,577.98 : 197,416.53 = 79,024.10 : x
  2. Step 2: Convert to fraction form
    131,577.98/197,416.53 = 79,024.10/x
  3. Step 3: Cross multiply
    131,577.98x = 197,416.53 × 79,024.10
  4. Step 4: Simplify right side
    131,577.98x = 15,600,663,608.37
  5. Step 5: Solve for x
    x = 15,600,663,608.37/131,577.98
  6. Step 6: Final answer
    x = 118,565.92

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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.