Home / 342,156.22-472,134.38-189,173.76

Finding the Fourth Proportional to 342,156.22, 472,134.38 and 189,173.76

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Solution

The fourth proportional to 342,156.22, 472,134.38 and 189,173.76 is: 261,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,156.22 : 472,134.38 = 189,173.76 : x
  2. Step 2: Convert to fraction form
    342,156.22/472,134.38 = 189,173.76/x
  3. Step 3: Cross multiply
    342,156.22x = 472,134.38 × 189,173.76
  4. Step 4: Simplify right side
    342,156.22x = 89,315,435,889.87
  5. Step 5: Solve for x
    x = 89,315,435,889.87/342,156.22
  6. Step 6: Final answer
    x = 261,037.01

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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.