Home / 103,576.73-143,025.55-98,262.32

Finding the Fourth Proportional to 103,576.73, 143,025.55 and 98,262.32

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Solution

The fourth proportional to 103,576.73, 143,025.55 and 98,262.32 is: 135,687.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,576.73 : 143,025.55 = 98,262.32 : x
  2. Step 2: Convert to fraction form
    103,576.73/143,025.55 = 98,262.32/x
  3. Step 3: Cross multiply
    103,576.73x = 143,025.55 × 98,262.32
  4. Step 4: Simplify right side
    103,576.73x = 14,054,021,401.49
  5. Step 5: Solve for x
    x = 14,054,021,401.49/103,576.73
  6. Step 6: Final answer
    x = 135,687.06

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1.5x scale

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.