Home / 196,435.96-294,672.93-78,080.74

Finding the Fourth Proportional to 196,435.96, 294,672.93 and 78,080.74

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Solution

The fourth proportional to 196,435.96, 294,672.93 and 78,080.74 is: 117,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,435.96 : 294,672.93 = 78,080.74 : x
  2. Step 2: Convert to fraction form
    196,435.96/294,672.93 = 78,080.74/x
  3. Step 3: Cross multiply
    196,435.96x = 294,672.93 × 78,080.74
  4. Step 4: Simplify right side
    196,435.96x = 23,008,280,432.37
  5. Step 5: Solve for x
    x = 23,008,280,432.37/196,435.96
  6. Step 6: Final answer
    x = 117,128.66

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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.