Home / 234,688.36-323,784.90-154,159.24

Finding the Fourth Proportional to 234,688.36, 323,784.90 and 154,159.24

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Solution

The fourth proportional to 234,688.36, 323,784.90 and 154,159.24 is: 212,683.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,688.36 : 323,784.90 = 154,159.24 : x
  2. Step 2: Convert to fraction form
    234,688.36/323,784.90 = 154,159.24/x
  3. Step 3: Cross multiply
    234,688.36x = 323,784.90 × 154,159.24
  4. Step 4: Simplify right side
    234,688.36x = 49,914,434,107.48
  5. Step 5: Solve for x
    x = 49,914,434,107.48/234,688.36
  6. Step 6: Final answer
    x = 212,683.89

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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.