Home / 148,682.16-205,351.74-97,921.89

Finding the Fourth Proportional to 148,682.16, 205,351.74 and 97,921.89

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Solution

The fourth proportional to 148,682.16, 205,351.74 and 97,921.89 is: 135,244.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,682.16 : 205,351.74 = 97,921.89 : x
  2. Step 2: Convert to fraction form
    148,682.16/205,351.74 = 97,921.89/x
  3. Step 3: Cross multiply
    148,682.16x = 205,351.74 × 97,921.89
  4. Step 4: Simplify right side
    148,682.16x = 20,108,430,495.59
  5. Step 5: Solve for x
    x = 20,108,430,495.59/148,682.16
  6. Step 6: Final answer
    x = 135,244.41

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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.