Home / 194,161.42-291,511.86-128,026.54

Finding the Fourth Proportional to 194,161.42, 291,511.86 and 128,026.54

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Solution

The fourth proportional to 194,161.42, 291,511.86 and 128,026.54 is: 192,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,161.42 : 291,511.86 = 128,026.54 : x
  2. Step 2: Convert to fraction form
    194,161.42/291,511.86 = 128,026.54/x
  3. Step 3: Cross multiply
    194,161.42x = 291,511.86 × 128,026.54
  4. Step 4: Simplify right side
    194,161.42x = 37,321,254,804.76
  5. Step 5: Solve for x
    x = 37,321,254,804.76/194,161.42
  6. Step 6: Final answer
    x = 192,217.67

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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.