Home / 193,439.36-290,162.40-53,197.12

Finding the Fourth Proportional to 193,439.36, 290,162.40 and 53,197.12

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Solution

The fourth proportional to 193,439.36, 290,162.40 and 53,197.12 is: 79,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,439.36 : 290,162.40 = 53,197.12 : x
  2. Step 2: Convert to fraction form
    193,439.36/290,162.40 = 53,197.12/x
  3. Step 3: Cross multiply
    193,439.36x = 290,162.40 × 53,197.12
  4. Step 4: Simplify right side
    193,439.36x = 15,435,804,012.29
  5. Step 5: Solve for x
    x = 15,435,804,012.29/193,439.36
  6. Step 6: Final answer
    x = 79,796.60

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1.5x scale

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.