Home / 190,541.31-262,928.03-109,994.77

Finding the Fourth Proportional to 190,541.31, 262,928.03 and 109,994.77

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Solution

The fourth proportional to 190,541.31, 262,928.03 and 109,994.77 is: 151,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,541.31 : 262,928.03 = 109,994.77 : x
  2. Step 2: Convert to fraction form
    190,541.31/262,928.03 = 109,994.77/x
  3. Step 3: Cross multiply
    190,541.31x = 262,928.03 × 109,994.77
  4. Step 4: Simplify right side
    190,541.31x = 28,920,708,186.40
  5. Step 5: Solve for x
    x = 28,920,708,186.40/190,541.31
  6. Step 6: Final answer
    x = 151,781.83

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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.