Home / 131,735.41-197,580.64-47,478.81

Finding the Fourth Proportional to 131,735.41, 197,580.64 and 47,478.81

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Solution

The fourth proportional to 131,735.41, 197,580.64 and 47,478.81 is: 71,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,735.41 : 197,580.64 = 47,478.81 : x
  2. Step 2: Convert to fraction form
    131,735.41/197,580.64 = 47,478.81/x
  3. Step 3: Cross multiply
    131,735.41x = 197,580.64 × 47,478.81
  4. Step 4: Simplify right side
    131,735.41x = 9,380,893,399.63
  5. Step 5: Solve for x
    x = 9,380,893,399.63/131,735.41
  6. Step 6: Final answer
    x = 71,210.11

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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.