Home / 130,834.44-196,309.98-47,709

Finding the Fourth Proportional to 130,834.44, 196,309.98 and 47,709

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Solution

The fourth proportional to 130,834.44, 196,309.98 and 47,709 is: 71,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,834.44 : 196,309.98 = 47,709 : x
  2. Step 2: Convert to fraction form
    130,834.44/196,309.98 = 47,709/x
  3. Step 3: Cross multiply
    130,834.44x = 196,309.98 × 47,709
  4. Step 4: Simplify right side
    130,834.44x = 9,365,752,835.82
  5. Step 5: Solve for x
    x = 9,365,752,835.82/130,834.44
  6. Step 6: Final answer
    x = 71,584.77

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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.