Home / 284,933.63-393,229.76-162,428.93

Finding the Fourth Proportional to 284,933.63, 393,229.76 and 162,428.93

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Solution

The fourth proportional to 284,933.63, 393,229.76 and 162,428.93 is: 224,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,933.63 : 393,229.76 = 162,428.93 : x
  2. Step 2: Convert to fraction form
    284,933.63/393,229.76 = 162,428.93/x
  3. Step 3: Cross multiply
    284,933.63x = 393,229.76 × 162,428.93
  4. Step 4: Simplify right side
    284,933.63x = 63,871,888,348.81
  5. Step 5: Solve for x
    x = 63,871,888,348.81/284,933.63
  6. Step 6: Final answer
    x = 224,164.09

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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.