Home / 127,278.69-190,761.29-52,352.07

Finding the Fourth Proportional to 127,278.69, 190,761.29 and 52,352.07

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Solution

The fourth proportional to 127,278.69, 190,761.29 and 52,352.07 is: 78,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,278.69 : 190,761.29 = 52,352.07 : x
  2. Step 2: Convert to fraction form
    127,278.69/190,761.29 = 52,352.07/x
  3. Step 3: Cross multiply
    127,278.69x = 190,761.29 × 52,352.07
  4. Step 4: Simplify right side
    127,278.69x = 9,986,748,407.37
  5. Step 5: Solve for x
    x = 9,986,748,407.37/127,278.69
  6. Step 6: Final answer
    x = 78,463.63

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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.