Home / 106,735.03-147,308.42-103,230.02

Finding the Fourth Proportional to 106,735.03, 147,308.42 and 103,230.02

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Solution

The fourth proportional to 106,735.03, 147,308.42 and 103,230.02 is: 142,471.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,735.03 : 147,308.42 = 103,230.02 : x
  2. Step 2: Convert to fraction form
    106,735.03/147,308.42 = 103,230.02/x
  3. Step 3: Cross multiply
    106,735.03x = 147,308.42 × 103,230.02
  4. Step 4: Simplify right side
    106,735.03x = 15,206,650,626.62
  5. Step 5: Solve for x
    x = 15,206,650,626.62/106,735.03
  6. Step 6: Final answer
    x = 142,471.05

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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.