Home / 190,439.16-262,796.85-109,892.70

Finding the Fourth Proportional to 190,439.16, 262,796.85 and 109,892.70

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Solution

The fourth proportional to 190,439.16, 262,796.85 and 109,892.70 is: 151,646.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,439.16 : 262,796.85 = 109,892.70 : x
  2. Step 2: Convert to fraction form
    190,439.16/262,796.85 = 109,892.70/x
  3. Step 3: Cross multiply
    190,439.16x = 262,796.85 × 109,892.70
  4. Step 4: Simplify right side
    190,439.16x = 28,879,455,398.00
  5. Step 5: Solve for x
    x = 28,879,455,398.00/190,439.16
  6. Step 6: Final answer
    x = 151,646.62

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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.