Home / 190,046.32-262,270.92-122,978.32

Finding the Fourth Proportional to 190,046.32, 262,270.92 and 122,978.32

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Solution

The fourth proportional to 190,046.32, 262,270.92 and 122,978.32 is: 169,714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,046.32 : 262,270.92 = 122,978.32 : x
  2. Step 2: Convert to fraction form
    190,046.32/262,270.92 = 122,978.32/x
  3. Step 3: Cross multiply
    190,046.32x = 262,270.92 × 122,978.32
  4. Step 4: Simplify right side
    190,046.32x = 32,253,637,126.45
  5. Step 5: Solve for x
    x = 32,253,637,126.45/190,046.32
  6. Step 6: Final answer
    x = 169,714.61

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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.