Home / 188,073.10-259,541.19-103,190.77

Finding the Fourth Proportional to 188,073.10, 259,541.19 and 103,190.77

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Solution

The fourth proportional to 188,073.10, 259,541.19 and 103,190.77 is: 142,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,073.10 : 259,541.19 = 103,190.77 : x
  2. Step 2: Convert to fraction form
    188,073.10/259,541.19 = 103,190.77/x
  3. Step 3: Cross multiply
    188,073.10x = 259,541.19 × 103,190.77
  4. Step 4: Simplify right side
    188,073.10x = 26,782,255,242.82
  5. Step 5: Solve for x
    x = 26,782,255,242.82/188,073.10
  6. Step 6: Final answer
    x = 142,403.43

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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.