Home / 158,963.16-238,289.22-75,915.48

Finding the Fourth Proportional to 158,963.16, 238,289.22 and 75,915.48

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Solution

The fourth proportional to 158,963.16, 238,289.22 and 75,915.48 is: 113,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,963.16 : 238,289.22 = 75,915.48 : x
  2. Step 2: Convert to fraction form
    158,963.16/238,289.22 = 75,915.48/x
  3. Step 3: Cross multiply
    158,963.16x = 238,289.22 × 75,915.48
  4. Step 4: Simplify right side
    158,963.16x = 18,089,840,515.13
  5. Step 5: Solve for x
    x = 18,089,840,515.13/158,963.16
  6. Step 6: Final answer
    x = 113,798.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.