Home / 127,034.94-190,559.70-38,279.19

Finding the Fourth Proportional to 127,034.94, 190,559.70 and 38,279.19

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Solution

The fourth proportional to 127,034.94, 190,559.70 and 38,279.19 is: 57,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,034.94 : 190,559.70 = 38,279.19 : x
  2. Step 2: Convert to fraction form
    127,034.94/190,559.70 = 38,279.19/x
  3. Step 3: Cross multiply
    127,034.94x = 190,559.70 × 38,279.19
  4. Step 4: Simplify right side
    127,034.94x = 7,294,470,962.64
  5. Step 5: Solve for x
    x = 7,294,470,962.64/127,034.94
  6. Step 6: Final answer
    x = 57,420.98

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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.