Home / 146,426.88-202,072.32-89,804.80

Finding the Fourth Proportional to 146,426.88, 202,072.32 and 89,804.80

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Solution

The fourth proportional to 146,426.88, 202,072.32 and 89,804.80 is: 123,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,426.88 : 202,072.32 = 89,804.80 : x
  2. Step 2: Convert to fraction form
    146,426.88/202,072.32 = 89,804.80/x
  3. Step 3: Cross multiply
    146,426.88x = 202,072.32 × 89,804.80
  4. Step 4: Simplify right side
    146,426.88x = 18,147,064,283.14
  5. Step 5: Solve for x
    x = 18,147,064,283.14/146,426.88
  6. Step 6: Final answer
    x = 123,932.60

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1.5x scale

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.