Home / 106,520.01-147,050.87-66,246.74

Finding the Fourth Proportional to 106,520.01, 147,050.87 and 66,246.74

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Solution

The fourth proportional to 106,520.01, 147,050.87 and 66,246.74 is: 91,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,520.01 : 147,050.87 = 66,246.74 : x
  2. Step 2: Convert to fraction form
    106,520.01/147,050.87 = 66,246.74/x
  3. Step 3: Cross multiply
    106,520.01x = 147,050.87 × 66,246.74
  4. Step 4: Simplify right side
    106,520.01x = 9,741,640,751.66
  5. Step 5: Solve for x
    x = 9,741,640,751.66/106,520.01
  6. Step 6: Final answer
    x = 91,453.62

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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.