Home / 193,669.63-290,521.19-53,428.25

Finding the Fourth Proportional to 193,669.63, 290,521.19 and 53,428.25

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Solution

The fourth proportional to 193,669.63, 290,521.19 and 53,428.25 is: 80,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,669.63 : 290,521.19 = 53,428.25 : x
  2. Step 2: Convert to fraction form
    193,669.63/290,521.19 = 53,428.25/x
  3. Step 3: Cross multiply
    193,669.63x = 290,521.19 × 53,428.25
  4. Step 4: Simplify right side
    193,669.63x = 15,522,039,775.07
  5. Step 5: Solve for x
    x = 15,522,039,775.07/193,669.63
  6. Step 6: Final answer
    x = 80,147.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.