Home / 129,461.40-194,216.58-50,570.64

Finding the Fourth Proportional to 129,461.40, 194,216.58 and 50,570.64

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Solution

The fourth proportional to 129,461.40, 194,216.58 and 50,570.64 is: 75,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,461.40 : 194,216.58 = 50,570.64 : x
  2. Step 2: Convert to fraction form
    129,461.40/194,216.58 = 50,570.64/x
  3. Step 3: Cross multiply
    129,461.40x = 194,216.58 × 50,570.64
  4. Step 4: Simplify right side
    129,461.40x = 9,821,656,749.21
  5. Step 5: Solve for x
    x = 9,821,656,749.21/129,461.40
  6. Step 6: Final answer
    x = 75,865.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.