Home / 148,729.44-205,188.24-85,033.08

Finding the Fourth Proportional to 148,729.44, 205,188.24 and 85,033.08

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Solution

The fourth proportional to 148,729.44, 205,188.24 and 85,033.08 is: 117,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,729.44 : 205,188.24 = 85,033.08 : x
  2. Step 2: Convert to fraction form
    148,729.44/205,188.24 = 85,033.08/x
  3. Step 3: Cross multiply
    148,729.44x = 205,188.24 × 85,033.08
  4. Step 4: Simplify right side
    148,729.44x = 17,447,788,026.98
  5. Step 5: Solve for x
    x = 17,447,788,026.98/148,729.44
  6. Step 6: Final answer
    x = 117,312.27

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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.