Home / 190,438.26-262,807.44-104,405.32

Finding the Fourth Proportional to 190,438.26, 262,807.44 and 104,405.32

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Solution

The fourth proportional to 190,438.26, 262,807.44 and 104,405.32 is: 144,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,438.26 : 262,807.44 = 104,405.32 : x
  2. Step 2: Convert to fraction form
    190,438.26/262,807.44 = 104,405.32/x
  3. Step 3: Cross multiply
    190,438.26x = 262,807.44 × 104,405.32
  4. Step 4: Simplify right side
    190,438.26x = 27,438,494,808.57
  5. Step 5: Solve for x
    x = 27,438,494,808.57/190,438.26
  6. Step 6: Final answer
    x = 144,080.79

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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.