Home / 131,813.90-197,679.94-47,563.12

Finding the Fourth Proportional to 131,813.90, 197,679.94 and 47,563.12

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Solution

The fourth proportional to 131,813.90, 197,679.94 and 47,563.12 is: 71,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,813.90 : 197,679.94 = 47,563.12 : x
  2. Step 2: Convert to fraction form
    131,813.90/197,679.94 = 47,563.12/x
  3. Step 3: Cross multiply
    131,813.90x = 197,679.94 × 47,563.12
  4. Step 4: Simplify right side
    131,813.90x = 9,402,274,094.71
  5. Step 5: Solve for x
    x = 9,402,274,094.71/131,813.90
  6. Step 6: Final answer
    x = 71,329.92

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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.