Home / 201,729.06-302,638.50-61,498.62

Finding the Fourth Proportional to 201,729.06, 302,638.50 and 61,498.62

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Solution

The fourth proportional to 201,729.06, 302,638.50 and 61,498.62 is: 92,261.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,729.06 : 302,638.50 = 61,498.62 : x
  2. Step 2: Convert to fraction form
    201,729.06/302,638.50 = 61,498.62/x
  3. Step 3: Cross multiply
    201,729.06x = 302,638.50 × 61,498.62
  4. Step 4: Simplify right side
    201,729.06x = 18,611,850,108.87
  5. Step 5: Solve for x
    x = 18,611,850,108.87/201,729.06
  6. Step 6: Final answer
    x = 92,261.62

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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.