Home / 194,339.68-268,189.32-112,683.76

Finding the Fourth Proportional to 194,339.68, 268,189.32 and 112,683.76

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Solution

The fourth proportional to 194,339.68, 268,189.32 and 112,683.76 is: 155,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,339.68 : 268,189.32 = 112,683.76 : x
  2. Step 2: Convert to fraction form
    194,339.68/268,189.32 = 112,683.76/x
  3. Step 3: Cross multiply
    194,339.68x = 268,189.32 × 112,683.76
  4. Step 4: Simplify right side
    194,339.68x = 30,220,580,969.44
  5. Step 5: Solve for x
    x = 30,220,580,969.44/194,339.68
  6. Step 6: Final answer
    x = 155,503.91

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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.