Home / 234,689.36-323,786.28-154,160.24

Finding the Fourth Proportional to 234,689.36, 323,786.28 and 154,160.24

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Solution

The fourth proportional to 234,689.36, 323,786.28 and 154,160.24 is: 212,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,689.36 : 323,786.28 = 154,160.24 : x
  2. Step 2: Convert to fraction form
    234,689.36/323,786.28 = 154,160.24/x
  3. Step 3: Cross multiply
    234,689.36x = 323,786.28 × 154,160.24
  4. Step 4: Simplify right side
    234,689.36x = 49,914,970,633.51
  5. Step 5: Solve for x
    x = 49,914,970,633.51/234,689.36
  6. Step 6: Final answer
    x = 212,685.27

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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.