Home / 147,500.26-203,567.82-83,847.64

Finding the Fourth Proportional to 147,500.26, 203,567.82 and 83,847.64

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Solution

The fourth proportional to 147,500.26, 203,567.82 and 83,847.64 is: 115,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,500.26 : 203,567.82 = 83,847.64 : x
  2. Step 2: Convert to fraction form
    147,500.26/203,567.82 = 83,847.64/x
  3. Step 3: Cross multiply
    147,500.26x = 203,567.82 × 83,847.64
  4. Step 4: Simplify right side
    147,500.26x = 17,068,681,286.94
  5. Step 5: Solve for x
    x = 17,068,681,286.94/147,500.26
  6. Step 6: Final answer
    x = 115,719.67

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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.