Home / 180,740.14-249,423.23-100,169.44

Finding the Fourth Proportional to 180,740.14, 249,423.23 and 100,169.44

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Solution

The fourth proportional to 180,740.14, 249,423.23 and 100,169.44 is: 138,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,740.14 : 249,423.23 = 100,169.44 : x
  2. Step 2: Convert to fraction form
    180,740.14/249,423.23 = 100,169.44/x
  3. Step 3: Cross multiply
    180,740.14x = 249,423.23 × 100,169.44
  4. Step 4: Simplify right side
    180,740.14x = 24,984,585,272.09
  5. Step 5: Solve for x
    x = 24,984,585,272.09/180,740.14
  6. Step 6: Final answer
    x = 138,234.85

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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.