Home / 188,066.81-259,532.20-103,182.05

Finding the Fourth Proportional to 188,066.81, 259,532.20 and 103,182.05

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Solution

The fourth proportional to 188,066.81, 259,532.20 and 103,182.05 is: 142,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,066.81 : 259,532.20 = 103,182.05 : x
  2. Step 2: Convert to fraction form
    188,066.81/259,532.20 = 103,182.05/x
  3. Step 3: Cross multiply
    188,066.81x = 259,532.20 × 103,182.05
  4. Step 4: Simplify right side
    188,066.81x = 26,779,065,214.82
  5. Step 5: Solve for x
    x = 26,779,065,214.82/188,066.81
  6. Step 6: Final answer
    x = 142,391.23

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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.