Home / 145,991.22-201,461.76-82,334.94

Finding the Fourth Proportional to 145,991.22, 201,461.76 and 82,334.94

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Solution

The fourth proportional to 145,991.22, 201,461.76 and 82,334.94 is: 113,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,991.22 : 201,461.76 = 82,334.94 : x
  2. Step 2: Convert to fraction form
    145,991.22/201,461.76 = 82,334.94/x
  3. Step 3: Cross multiply
    145,991.22x = 201,461.76 × 82,334.94
  4. Step 4: Simplify right side
    145,991.22x = 16,587,341,921.89
  5. Step 5: Solve for x
    x = 16,587,341,921.89/145,991.22
  6. Step 6: Final answer
    x = 113,618.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.