Home / 99,595.93-149,130.24-82,143.67

Finding the Fourth Proportional to 99,595.93, 149,130.24 and 82,143.67

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Solution

The fourth proportional to 99,595.93, 149,130.24 and 82,143.67 is: 122,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,595.93 : 149,130.24 = 82,143.67 : x
  2. Step 2: Convert to fraction form
    99,595.93/149,130.24 = 82,143.67/x
  3. Step 3: Cross multiply
    99,595.93x = 149,130.24 × 82,143.67
  4. Step 4: Simplify right side
    99,595.93x = 12,250,105,221.58
  5. Step 5: Solve for x
    x = 12,250,105,221.58/99,595.93
  6. Step 6: Final answer
    x = 122,998.05

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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.