Home / 135,564.84-203,252.40-97,638.60

Finding the Fourth Proportional to 135,564.84, 203,252.40 and 97,638.60

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Solution

The fourth proportional to 135,564.84, 203,252.40 and 97,638.60 is: 146,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,564.84 : 203,252.40 = 97,638.60 : x
  2. Step 2: Convert to fraction form
    135,564.84/203,252.40 = 97,638.60/x
  3. Step 3: Cross multiply
    135,564.84x = 203,252.40 × 97,638.60
  4. Step 4: Simplify right side
    135,564.84x = 19,845,279,782.64
  5. Step 5: Solve for x
    x = 19,845,279,782.64/135,564.84
  6. Step 6: Final answer
    x = 146,389.58

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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.