Home / 351,220.21-526,507.38-126,525.69

Finding the Fourth Proportional to 351,220.21, 526,507.38 and 126,525.69

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Solution

The fourth proportional to 351,220.21, 526,507.38 and 126,525.69 is: 189,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,220.21 : 526,507.38 = 126,525.69 : x
  2. Step 2: Convert to fraction form
    351,220.21/526,507.38 = 126,525.69/x
  3. Step 3: Cross multiply
    351,220.21x = 526,507.38 × 126,525.69
  4. Step 4: Simplify right side
    351,220.21x = 66,616,709,544.59
  5. Step 5: Solve for x
    x = 66,616,709,544.59/351,220.21
  6. Step 6: Final answer
    x = 189,672.20

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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.