Home / 131,805.42-197,667.23-47,554.63

Finding the Fourth Proportional to 131,805.42, 197,667.23 and 47,554.63

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Solution

The fourth proportional to 131,805.42, 197,667.23 and 47,554.63 is: 71,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,805.42 : 197,667.23 = 47,554.63 : x
  2. Step 2: Convert to fraction form
    131,805.42/197,667.23 = 47,554.63/x
  3. Step 3: Cross multiply
    131,805.42x = 197,667.23 × 47,554.63
  4. Step 4: Simplify right side
    131,805.42x = 9,399,991,985.77
  5. Step 5: Solve for x
    x = 9,399,991,985.77/131,805.42
  6. Step 6: Final answer
    x = 71,317.19

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1.5x scale

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.