Home / 268,877.03-403,312.81-69,196.64

Finding the Fourth Proportional to 268,877.03, 403,312.81 and 69,196.64

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Solution

The fourth proportional to 268,877.03, 403,312.81 and 69,196.64 is: 103,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,877.03 : 403,312.81 = 69,196.64 : x
  2. Step 2: Convert to fraction form
    268,877.03/403,312.81 = 69,196.64/x
  3. Step 3: Cross multiply
    268,877.03x = 403,312.81 × 69,196.64
  4. Step 4: Simplify right side
    268,877.03x = 27,907,892,156.25
  5. Step 5: Solve for x
    x = 27,907,892,156.25/268,877.03
  6. Step 6: Final answer
    x = 103,794.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.