Home / 193,407.12-290,111.96-53,180.56

Finding the Fourth Proportional to 193,407.12, 290,111.96 and 53,180.56

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Solution

The fourth proportional to 193,407.12, 290,111.96 and 53,180.56 is: 79,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,407.12 : 290,111.96 = 53,180.56 : x
  2. Step 2: Convert to fraction form
    193,407.12/290,111.96 = 53,180.56/x
  3. Step 3: Cross multiply
    193,407.12x = 290,111.96 × 53,180.56
  4. Step 4: Simplify right side
    193,407.12x = 15,428,316,495.50
  5. Step 5: Solve for x
    x = 15,428,316,495.50/193,407.12
  6. Step 6: Final answer
    x = 79,771.19

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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.