Home / 148,302.35-204,657.06-80,319.28

Finding the Fourth Proportional to 148,302.35, 204,657.06 and 80,319.28

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Solution

The fourth proportional to 148,302.35, 204,657.06 and 80,319.28 is: 110,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,302.35 : 204,657.06 = 80,319.28 : x
  2. Step 2: Convert to fraction form
    148,302.35/204,657.06 = 80,319.28/x
  3. Step 3: Cross multiply
    148,302.35x = 204,657.06 × 80,319.28
  4. Step 4: Simplify right side
    148,302.35x = 16,437,907,706.12
  5. Step 5: Solve for x
    x = 16,437,907,706.12/148,302.35
  6. Step 6: Final answer
    x = 110,840.51

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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.