Home / 106,570.14-147,120.06-66,296.94

Finding the Fourth Proportional to 106,570.14, 147,120.06 and 66,296.94

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Solution

The fourth proportional to 106,570.14, 147,120.06 and 66,296.94 is: 91,522.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,570.14 : 147,120.06 = 66,296.94 : x
  2. Step 2: Convert to fraction form
    106,570.14/147,120.06 = 66,296.94/x
  3. Step 3: Cross multiply
    106,570.14x = 147,120.06 × 66,296.94
  4. Step 4: Simplify right side
    106,570.14x = 9,753,609,790.62
  5. Step 5: Solve for x
    x = 9,753,609,790.62/106,570.14
  6. Step 6: Final answer
    x = 91,522.91

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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.