Home / 409,061.19-613,633.68-156,554.04

Finding the Fourth Proportional to 409,061.19, 613,633.68 and 156,554.04

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Solution

The fourth proportional to 409,061.19, 613,633.68 and 156,554.04 is: 234,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,061.19 : 613,633.68 = 156,554.04 : x
  2. Step 2: Convert to fraction form
    409,061.19/613,633.68 = 156,554.04/x
  3. Step 3: Cross multiply
    409,061.19x = 613,633.68 × 156,554.04
  4. Step 4: Simplify right side
    409,061.19x = 96,066,831,684.07
  5. Step 5: Solve for x
    x = 96,066,831,684.07/409,061.19
  6. Step 6: Final answer
    x = 234,847.09

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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.