Home / 180,771.21-249,466.03-100,200.04

Finding the Fourth Proportional to 180,771.21, 249,466.03 and 100,200.04

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Solution

The fourth proportional to 180,771.21, 249,466.03 and 100,200.04 is: 138,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,771.21 : 249,466.03 = 100,200.04 : x
  2. Step 2: Convert to fraction form
    180,771.21/249,466.03 = 100,200.04/x
  3. Step 3: Cross multiply
    180,771.21x = 249,466.03 × 100,200.04
  4. Step 4: Simplify right side
    180,771.21x = 24,996,505,310.48
  5. Step 5: Solve for x
    x = 24,996,505,310.48/180,771.21
  6. Step 6: Final answer
    x = 138,277.03

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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.