Home / 167,400.48-230,976.72-99,440.37

Finding the Fourth Proportional to 167,400.48, 230,976.72 and 99,440.37

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Solution

The fourth proportional to 167,400.48, 230,976.72 and 99,440.37 is: 137,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,400.48 : 230,976.72 = 99,440.37 : x
  2. Step 2: Convert to fraction form
    167,400.48/230,976.72 = 99,440.37/x
  3. Step 3: Cross multiply
    167,400.48x = 230,976.72 × 99,440.37
  4. Step 4: Simplify right side
    167,400.48x = 22,968,410,498.19
  5. Step 5: Solve for x
    x = 22,968,410,498.19/167,400.48
  6. Step 6: Final answer
    x = 137,206.36

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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.