Home / 188,333.36-259,893.06-103,445.36

Finding the Fourth Proportional to 188,333.36, 259,893.06 and 103,445.36

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Solution

The fourth proportional to 188,333.36, 259,893.06 and 103,445.36 is: 142,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,333.36 : 259,893.06 = 103,445.36 : x
  2. Step 2: Convert to fraction form
    188,333.36/259,893.06 = 103,445.36/x
  3. Step 3: Cross multiply
    188,333.36x = 259,893.06 × 103,445.36
  4. Step 4: Simplify right side
    188,333.36x = 26,884,731,153.20
  5. Step 5: Solve for x
    x = 26,884,731,153.20/188,333.36
  6. Step 6: Final answer
    x = 142,750.76

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1.5x scale

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.