Home / 131,570.55-197,357.67-42,824.52

Finding the Fourth Proportional to 131,570.55, 197,357.67 and 42,824.52

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Solution

The fourth proportional to 131,570.55, 197,357.67 and 42,824.52 is: 64,237.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,570.55 : 197,357.67 = 42,824.52 : x
  2. Step 2: Convert to fraction form
    131,570.55/197,357.67 = 42,824.52/x
  3. Step 3: Cross multiply
    131,570.55x = 197,357.67 × 42,824.52
  4. Step 4: Simplify right side
    131,570.55x = 8,451,747,486.07
  5. Step 5: Solve for x
    x = 8,451,747,486.07/131,570.55
  6. Step 6: Final answer
    x = 64,237.38

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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.