Home / 276,725.22-381,909.51-169,366.74

Finding the Fourth Proportional to 276,725.22, 381,909.51 and 169,366.74

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Solution

The fourth proportional to 276,725.22, 381,909.51 and 169,366.74 is: 233,743.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,725.22 : 381,909.51 = 169,366.74 : x
  2. Step 2: Convert to fraction form
    276,725.22/381,909.51 = 169,366.74/x
  3. Step 3: Cross multiply
    276,725.22x = 381,909.51 × 169,366.74
  4. Step 4: Simplify right side
    276,725.22x = 64,682,768,683.70
  5. Step 5: Solve for x
    x = 64,682,768,683.70/276,725.22
  6. Step 6: Final answer
    x = 233,743.67

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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.