Home / 131,362.36-196,953.54-47,120.68

Finding the Fourth Proportional to 131,362.36, 196,953.54 and 47,120.68

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Solution

The fourth proportional to 131,362.36, 196,953.54 and 47,120.68 is: 70,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,362.36 : 196,953.54 = 47,120.68 : x
  2. Step 2: Convert to fraction form
    131,362.36/196,953.54 = 47,120.68/x
  3. Step 3: Cross multiply
    131,362.36x = 196,953.54 × 47,120.68
  4. Step 4: Simplify right side
    131,362.36x = 9,280,584,733.21
  5. Step 5: Solve for x
    x = 9,280,584,733.21/131,362.36
  6. Step 6: Final answer
    x = 70,648.74

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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.