Home / 106,806.06-147,456.32-66,574.32

Finding the Fourth Proportional to 106,806.06, 147,456.32 and 66,574.32

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Solution

The fourth proportional to 106,806.06, 147,456.32 and 66,574.32 is: 91,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,806.06 : 147,456.32 = 66,574.32 : x
  2. Step 2: Convert to fraction form
    106,806.06/147,456.32 = 66,574.32/x
  3. Step 3: Cross multiply
    106,806.06x = 147,456.32 × 66,574.32
  4. Step 4: Simplify right side
    106,806.06x = 9,816,803,900.83
  5. Step 5: Solve for x
    x = 9,816,803,900.83/106,806.06
  6. Step 6: Final answer
    x = 91,912.42

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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.