Home / 188,014.48-259,476.60-103,148.08

Finding the Fourth Proportional to 188,014.48, 259,476.60 and 103,148.08

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Solution

The fourth proportional to 188,014.48, 259,476.60 and 103,148.08 is: 142,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,014.48 : 259,476.60 = 103,148.08 : x
  2. Step 2: Convert to fraction form
    188,014.48/259,476.60 = 103,148.08/x
  3. Step 3: Cross multiply
    188,014.48x = 259,476.60 × 103,148.08
  4. Step 4: Simplify right side
    188,014.48x = 26,764,513,094.93
  5. Step 5: Solve for x
    x = 26,764,513,094.93/188,014.48
  6. Step 6: Final answer
    x = 142,353.47

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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.