Home / 127,162.74-190,809.72-52,338.18

Finding the Fourth Proportional to 127,162.74, 190,809.72 and 52,338.18

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Solution

The fourth proportional to 127,162.74, 190,809.72 and 52,338.18 is: 78,534.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,162.74 : 190,809.72 = 52,338.18 : x
  2. Step 2: Convert to fraction form
    127,162.74/190,809.72 = 52,338.18/x
  3. Step 3: Cross multiply
    127,162.74x = 190,809.72 × 52,338.18
  4. Step 4: Simplify right side
    127,162.74x = 9,986,633,471.11
  5. Step 5: Solve for x
    x = 9,986,633,471.11/127,162.74
  6. Step 6: Final answer
    x = 78,534.27

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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.