Home / 148,303.56-204,662.40-84,647.28

Finding the Fourth Proportional to 148,303.56, 204,662.40 and 84,647.28

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Solution

The fourth proportional to 148,303.56, 204,662.40 and 84,647.28 is: 116,815.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,303.56 : 204,662.40 = 84,647.28 : x
  2. Step 2: Convert to fraction form
    148,303.56/204,662.40 = 84,647.28/x
  3. Step 3: Cross multiply
    148,303.56x = 204,662.40 × 84,647.28
  4. Step 4: Simplify right side
    148,303.56x = 17,324,115,478.27
  5. Step 5: Solve for x
    x = 17,324,115,478.27/148,303.56
  6. Step 6: Final answer
    x = 116,815.24

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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.