Home / 190,033.16-285,132.44-119,118.32

Finding the Fourth Proportional to 190,033.16, 285,132.44 and 119,118.32

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Solution

The fourth proportional to 190,033.16, 285,132.44 and 119,118.32 is: 178,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,033.16 : 285,132.44 = 119,118.32 : x
  2. Step 2: Convert to fraction form
    190,033.16/285,132.44 = 119,118.32/x
  3. Step 3: Cross multiply
    190,033.16x = 285,132.44 × 119,118.32
  4. Step 4: Simplify right side
    190,033.16x = 33,964,497,230.30
  5. Step 5: Solve for x
    x = 33,964,497,230.30/190,033.16
  6. Step 6: Final answer
    x = 178,729.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.