Home / 193,699.22-290,565.52-53,457.84

Finding the Fourth Proportional to 193,699.22, 290,565.52 and 53,457.84

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Solution

The fourth proportional to 193,699.22, 290,565.52 and 53,457.84 is: 80,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,699.22 : 290,565.52 = 53,457.84 : x
  2. Step 2: Convert to fraction form
    193,699.22/290,565.52 = 53,457.84/x
  3. Step 3: Cross multiply
    193,699.22x = 290,565.52 × 53,457.84
  4. Step 4: Simplify right side
    193,699.22x = 15,533,005,077.68
  5. Step 5: Solve for x
    x = 15,533,005,077.68/193,699.22
  6. Step 6: Final answer
    x = 80,191.37

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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.