Home / 177,709.21-245,238.72-97,137.05

Finding the Fourth Proportional to 177,709.21, 245,238.72 and 97,137.05

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Solution

The fourth proportional to 177,709.21, 245,238.72 and 97,137.05 is: 134,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,709.21 : 245,238.72 = 97,137.05 : x
  2. Step 2: Convert to fraction form
    177,709.21/245,238.72 = 97,137.05/x
  3. Step 3: Cross multiply
    177,709.21x = 245,238.72 × 97,137.05
  4. Step 4: Simplify right side
    177,709.21x = 23,821,765,135.76
  5. Step 5: Solve for x
    x = 23,821,765,135.76/177,709.21
  6. Step 6: Final answer
    x = 134,049.13

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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.