Home / 131,725.37-197,588.56-31,885.40

Finding the Fourth Proportional to 131,725.37, 197,588.56 and 31,885.40

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Solution

The fourth proportional to 131,725.37, 197,588.56 and 31,885.40 is: 47,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,725.37 : 197,588.56 = 31,885.40 : x
  2. Step 2: Convert to fraction form
    131,725.37/197,588.56 = 31,885.40/x
  3. Step 3: Cross multiply
    131,725.37x = 197,588.56 × 31,885.40
  4. Step 4: Simplify right side
    131,725.37x = 6,300,189,633.63
  5. Step 5: Solve for x
    x = 6,300,189,633.63/131,725.37
  6. Step 6: Final answer
    x = 47,828.22

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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.