Home / 127,058.49-190,574.37-52,186.55

Finding the Fourth Proportional to 127,058.49, 190,574.37 and 52,186.55

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Solution

The fourth proportional to 127,058.49, 190,574.37 and 52,186.55 is: 78,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,058.49 : 190,574.37 = 52,186.55 : x
  2. Step 2: Convert to fraction form
    127,058.49/190,574.37 = 52,186.55/x
  3. Step 3: Cross multiply
    127,058.49x = 190,574.37 × 52,186.55
  4. Step 4: Simplify right side
    127,058.49x = 9,945,417,935.85
  5. Step 5: Solve for x
    x = 9,945,417,935.85/127,058.49
  6. Step 6: Final answer
    x = 78,274.33

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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.