Home / 146,977.75-202,866.03-90,356.32

Finding the Fourth Proportional to 146,977.75, 202,866.03 and 90,356.32

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Solution

The fourth proportional to 146,977.75, 202,866.03 and 90,356.32 is: 124,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,977.75 : 202,866.03 = 90,356.32 : x
  2. Step 2: Convert to fraction form
    146,977.75/202,866.03 = 90,356.32/x
  3. Step 3: Cross multiply
    146,977.75x = 202,866.03 × 90,356.32
  4. Step 4: Simplify right side
    146,977.75x = 18,330,227,923.81
  5. Step 5: Solve for x
    x = 18,330,227,923.81/146,977.75
  6. Step 6: Final answer
    x = 124,714.30

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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.