Home / 148,638.06-205,290.88-97,877.72

Finding the Fourth Proportional to 148,638.06, 205,290.88 and 97,877.72

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Solution

The fourth proportional to 148,638.06, 205,290.88 and 97,877.72 is: 135,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,638.06 : 205,290.88 = 97,877.72 : x
  2. Step 2: Convert to fraction form
    148,638.06/205,290.88 = 97,877.72/x
  3. Step 3: Cross multiply
    148,638.06x = 205,290.88 × 97,877.72
  4. Step 4: Simplify right side
    148,638.06x = 20,093,403,271.19
  5. Step 5: Solve for x
    x = 20,093,403,271.19/148,638.06
  6. Step 6: Final answer
    x = 135,183.43

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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.