Home / 190,057.64-262,278.42-109,455.08

Finding the Fourth Proportional to 190,057.64, 262,278.42 and 109,455.08

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Solution

The fourth proportional to 190,057.64, 262,278.42 and 109,455.08 is: 151,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,057.64 : 262,278.42 = 109,455.08 : x
  2. Step 2: Convert to fraction form
    190,057.64/262,278.42 = 109,455.08/x
  3. Step 3: Cross multiply
    190,057.64x = 262,278.42 × 109,455.08
  4. Step 4: Simplify right side
    190,057.64x = 28,707,705,443.37
  5. Step 5: Solve for x
    x = 28,707,705,443.37/190,057.64
  6. Step 6: Final answer
    x = 151,047.36

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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.