Home / 213,767.19-294,943.37-127,690.95

Finding the Fourth Proportional to 213,767.19, 294,943.37 and 127,690.95

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Solution

The fourth proportional to 213,767.19, 294,943.37 and 127,690.95 is: 176,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,767.19 : 294,943.37 = 127,690.95 : x
  2. Step 2: Convert to fraction form
    213,767.19/294,943.37 = 127,690.95/x
  3. Step 3: Cross multiply
    213,767.19x = 294,943.37 × 127,690.95
  4. Step 4: Simplify right side
    213,767.19x = 37,661,599,111.50
  5. Step 5: Solve for x
    x = 37,661,599,111.50/213,767.19
  6. Step 6: Final answer
    x = 176,180.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.