Home / 190,458.80-262,823.04-109,881.56

Finding the Fourth Proportional to 190,458.80, 262,823.04 and 109,881.56

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Solution

The fourth proportional to 190,458.80, 262,823.04 and 109,881.56 is: 151,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,458.80 : 262,823.04 = 109,881.56 : x
  2. Step 2: Convert to fraction form
    190,458.80/262,823.04 = 109,881.56/x
  3. Step 3: Cross multiply
    190,458.80x = 262,823.04 × 109,881.56
  4. Step 4: Simplify right side
    190,458.80x = 28,879,405,639.14
  5. Step 5: Solve for x
    x = 28,879,405,639.14/190,458.80
  6. Step 6: Final answer
    x = 151,630.72

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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.