Home / 127,245.56-190,877.51-38,506.05

Finding the Fourth Proportional to 127,245.56, 190,877.51 and 38,506.05

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Solution

The fourth proportional to 127,245.56, 190,877.51 and 38,506.05 is: 57,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,245.56 : 190,877.51 = 38,506.05 : x
  2. Step 2: Convert to fraction form
    127,245.56/190,877.51 = 38,506.05/x
  3. Step 3: Cross multiply
    127,245.56x = 190,877.51 × 38,506.05
  4. Step 4: Simplify right side
    127,245.56x = 7,349,938,751.41
  5. Step 5: Solve for x
    x = 7,349,938,751.41/127,245.56
  6. Step 6: Final answer
    x = 57,761.85

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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.