Home / 205,058.63-307,586.10-64,817.30

Finding the Fourth Proportional to 205,058.63, 307,586.10 and 64,817.30

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Solution

The fourth proportional to 205,058.63, 307,586.10 and 64,817.30 is: 97,225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,058.63 : 307,586.10 = 64,817.30 : x
  2. Step 2: Convert to fraction form
    205,058.63/307,586.10 = 64,817.30/x
  3. Step 3: Cross multiply
    205,058.63x = 307,586.10 × 64,817.30
  4. Step 4: Simplify right side
    205,058.63x = 19,936,900,519.53
  5. Step 5: Solve for x
    x = 19,936,900,519.53/205,058.63
  6. Step 6: Final answer
    x = 97,225.37

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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.