Home / 284,136.36-392,158.97-169,422.38

Finding the Fourth Proportional to 284,136.36, 392,158.97 and 169,422.38

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Solution

The fourth proportional to 284,136.36, 392,158.97 and 169,422.38 is: 233,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,136.36 : 392,158.97 = 169,422.38 : x
  2. Step 2: Convert to fraction form
    284,136.36/392,158.97 = 169,422.38/x
  3. Step 3: Cross multiply
    284,136.36x = 392,158.97 × 169,422.38
  4. Step 4: Simplify right side
    284,136.36x = 66,440,507,539.67
  5. Step 5: Solve for x
    x = 66,440,507,539.67/284,136.36
  6. Step 6: Final answer
    x = 233,833.18

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1.5x scale

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.