Home / 199,280.16-298,855.24-66,124.67

Finding the Fourth Proportional to 199,280.16, 298,855.24 and 66,124.67

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Solution

The fourth proportional to 199,280.16, 298,855.24 and 66,124.67 is: 99,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,280.16 : 298,855.24 = 66,124.67 : x
  2. Step 2: Convert to fraction form
    199,280.16/298,855.24 = 66,124.67/x
  3. Step 3: Cross multiply
    199,280.16x = 298,855.24 × 66,124.67
  4. Step 4: Simplify right side
    199,280.16x = 19,761,702,463.18
  5. Step 5: Solve for x
    x = 19,761,702,463.18/199,280.16
  6. Step 6: Final answer
    x = 99,165.43

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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.