Home / 188,064.59-259,529.47-103,182.26

Finding the Fourth Proportional to 188,064.59, 259,529.47 and 103,182.26

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Solution

The fourth proportional to 188,064.59, 259,529.47 and 103,182.26 is: 142,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,064.59 : 259,529.47 = 103,182.26 : x
  2. Step 2: Convert to fraction form
    188,064.59/259,529.47 = 103,182.26/x
  3. Step 3: Cross multiply
    188,064.59x = 259,529.47 × 103,182.26
  4. Step 4: Simplify right side
    188,064.59x = 26,778,835,695.60
  5. Step 5: Solve for x
    x = 26,778,835,695.60/188,064.59
  6. Step 6: Final answer
    x = 142,391.70

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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.