Home / 130,817.63-196,255.69-47,711.63

Finding the Fourth Proportional to 130,817.63, 196,255.69 and 47,711.63

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Solution

The fourth proportional to 130,817.63, 196,255.69 and 47,711.63 is: 71,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,817.63 : 196,255.69 = 47,711.63 : x
  2. Step 2: Convert to fraction form
    130,817.63/196,255.69 = 47,711.63/x
  3. Step 3: Cross multiply
    130,817.63x = 196,255.69 × 47,711.63
  4. Step 4: Simplify right side
    130,817.63x = 9,363,677,766.12
  5. Step 5: Solve for x
    x = 9,363,677,766.12/130,817.63
  6. Step 6: Final answer
    x = 71,578.11

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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.