Home / 185,018.24-255,435.18-121,467.44

Finding the Fourth Proportional to 185,018.24, 255,435.18 and 121,467.44

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Solution

The fourth proportional to 185,018.24, 255,435.18 and 121,467.44 is: 167,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,018.24 : 255,435.18 = 121,467.44 : x
  2. Step 2: Convert to fraction form
    185,018.24/255,435.18 = 121,467.44/x
  3. Step 3: Cross multiply
    185,018.24x = 255,435.18 × 121,467.44
  4. Step 4: Simplify right side
    185,018.24x = 31,027,057,400.54
  5. Step 5: Solve for x
    x = 31,027,057,400.54/185,018.24
  6. Step 6: Final answer
    x = 167,697.29

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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.