Home / 213,112.56-294,133.42-127,077.10

Finding the Fourth Proportional to 213,112.56, 294,133.42 and 127,077.10

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Solution

The fourth proportional to 213,112.56, 294,133.42 and 127,077.10 is: 175,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,112.56 : 294,133.42 = 127,077.10 : x
  2. Step 2: Convert to fraction form
    213,112.56/294,133.42 = 127,077.10/x
  3. Step 3: Cross multiply
    213,112.56x = 294,133.42 × 127,077.10
  4. Step 4: Simplify right side
    213,112.56x = 37,377,622,026.68
  5. Step 5: Solve for x
    x = 37,377,622,026.68/213,112.56
  6. Step 6: Final answer
    x = 175,389.11

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1.5x scale

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.