Home / 188,655.42-260,339.00-103,772.46

Finding the Fourth Proportional to 188,655.42, 260,339.00 and 103,772.46

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Solution

The fourth proportional to 188,655.42, 260,339.00 and 103,772.46 is: 143,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,655.42 : 260,339.00 = 103,772.46 : x
  2. Step 2: Convert to fraction form
    188,655.42/260,339.00 = 103,772.46/x
  3. Step 3: Cross multiply
    188,655.42x = 260,339.00 × 103,772.46
  4. Step 4: Simplify right side
    188,655.42x = 27,016,017,945.08
  5. Step 5: Solve for x
    x = 27,016,017,945.08/188,655.42
  6. Step 6: Final answer
    x = 143,202.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.