Home / 180,770.34-249,469.47-109,136.37

Finding the Fourth Proportional to 180,770.34, 249,469.47 and 109,136.37

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Solution

The fourth proportional to 180,770.34, 249,469.47 and 109,136.37 is: 150,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,770.34 : 249,469.47 = 109,136.37 : x
  2. Step 2: Convert to fraction form
    180,770.34/249,469.47 = 109,136.37/x
  3. Step 3: Cross multiply
    180,770.34x = 249,469.47 × 109,136.37
  4. Step 4: Simplify right side
    180,770.34x = 27,226,192,381.62
  5. Step 5: Solve for x
    x = 27,226,192,381.62/180,770.34
  6. Step 6: Final answer
    x = 150,612.05

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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.