Home / 300,915.04-415,252.56-173,587.36

Finding the Fourth Proportional to 300,915.04, 415,252.56 and 173,587.36

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Solution

The fourth proportional to 300,915.04, 415,252.56 and 173,587.36 is: 239,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,915.04 : 415,252.56 = 173,587.36 : x
  2. Step 2: Convert to fraction form
    300,915.04/415,252.56 = 173,587.36/x
  3. Step 3: Cross multiply
    300,915.04x = 415,252.56 × 173,587.36
  4. Step 4: Simplify right side
    300,915.04x = 72,082,595,623.64
  5. Step 5: Solve for x
    x = 72,082,595,623.64/300,915.04
  6. Step 6: Final answer
    x = 239,544.68

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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.