Home / 127,589.06-190,915.51-106,476.98

Finding the Fourth Proportional to 127,589.06, 190,915.51 and 106,476.98

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Solution

The fourth proportional to 127,589.06, 190,915.51 and 106,476.98 is: 159,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,589.06 : 190,915.51 = 106,476.98 : x
  2. Step 2: Convert to fraction form
    127,589.06/190,915.51 = 106,476.98/x
  3. Step 3: Cross multiply
    127,589.06x = 190,915.51 × 106,476.98
  4. Step 4: Simplify right side
    127,589.06x = 20,328,105,453.00
  5. Step 5: Solve for x
    x = 20,328,105,453.00/127,589.06
  6. Step 6: Final answer
    x = 159,324.83

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1.5x scale

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.