Home / 140,927.40-194,376.78-89,975.16

Finding the Fourth Proportional to 140,927.40, 194,376.78 and 89,975.16

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Solution

The fourth proportional to 140,927.40, 194,376.78 and 89,975.16 is: 124,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,927.40 : 194,376.78 = 89,975.16 : x
  2. Step 2: Convert to fraction form
    140,927.40/194,376.78 = 89,975.16/x
  3. Step 3: Cross multiply
    140,927.40x = 194,376.78 × 89,975.16
  4. Step 4: Simplify right side
    140,927.40x = 17,489,081,880.78
  5. Step 5: Solve for x
    x = 17,489,081,880.78/140,927.40
  6. Step 6: Final answer
    x = 124,099.94

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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.