Home / 146,664.68-220,035.90-53,184.20

Finding the Fourth Proportional to 146,664.68, 220,035.90 and 53,184.20

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Solution

The fourth proportional to 146,664.68, 220,035.90 and 53,184.20 is: 79,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,664.68 : 220,035.90 = 53,184.20 : x
  2. Step 2: Convert to fraction form
    146,664.68/220,035.90 = 53,184.20/x
  3. Step 3: Cross multiply
    146,664.68x = 220,035.90 × 53,184.20
  4. Step 4: Simplify right side
    146,664.68x = 11,702,433,312.78
  5. Step 5: Solve for x
    x = 11,702,433,312.78/146,664.68
  6. Step 6: Final answer
    x = 79,790.40

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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.