Home / 193,655.34-290,417.13-73,683.81

Finding the Fourth Proportional to 193,655.34, 290,417.13 and 73,683.81

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Solution

The fourth proportional to 193,655.34, 290,417.13 and 73,683.81 is: 110,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,655.34 : 290,417.13 = 73,683.81 : x
  2. Step 2: Convert to fraction form
    193,655.34/290,417.13 = 73,683.81/x
  3. Step 3: Cross multiply
    193,655.34x = 290,417.13 × 73,683.81
  4. Step 4: Simplify right side
    193,655.34x = 21,399,040,627.67
  5. Step 5: Solve for x
    x = 21,399,040,627.67/193,655.34
  6. Step 6: Final answer
    x = 110,500.65

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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.