Home / 190,306.53-262,650.99-109,718.31

Finding the Fourth Proportional to 190,306.53, 262,650.99 and 109,718.31

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Solution

The fourth proportional to 190,306.53, 262,650.99 and 109,718.31 is: 151,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,306.53 : 262,650.99 = 109,718.31 : x
  2. Step 2: Convert to fraction form
    190,306.53/262,650.99 = 109,718.31/x
  3. Step 3: Cross multiply
    190,306.53x = 262,650.99 × 109,718.31
  4. Step 4: Simplify right side
    190,306.53x = 28,817,622,742.63
  5. Step 5: Solve for x
    x = 28,817,622,742.63/190,306.53
  6. Step 6: Final answer
    x = 151,427.40

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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.