Home / 190,080.53-262,207.66-122,108.20

Finding the Fourth Proportional to 190,080.53, 262,207.66 and 122,108.20

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Solution

The fourth proportional to 190,080.53, 262,207.66 and 122,108.20 is: 168,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,080.53 : 262,207.66 = 122,108.20 : x
  2. Step 2: Convert to fraction form
    190,080.53/262,207.66 = 122,108.20/x
  3. Step 3: Cross multiply
    190,080.53x = 262,207.66 × 122,108.20
  4. Step 4: Simplify right side
    190,080.53x = 32,017,705,388.81
  5. Step 5: Solve for x
    x = 32,017,705,388.81/190,080.53
  6. Step 6: Final answer
    x = 168,442.85

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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.