Home / 174,771.90-261,639.45-115,674.30

Finding the Fourth Proportional to 174,771.90, 261,639.45 and 115,674.30

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Solution

The fourth proportional to 174,771.90, 261,639.45 and 115,674.30 is: 173,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,771.90 : 261,639.45 = 115,674.30 : x
  2. Step 2: Convert to fraction form
    174,771.90/261,639.45 = 115,674.30/x
  3. Step 3: Cross multiply
    174,771.90x = 261,639.45 × 115,674.30
  4. Step 4: Simplify right side
    174,771.90x = 30,264,960,231.14
  5. Step 5: Solve for x
    x = 30,264,960,231.14/174,771.90
  6. Step 6: Final answer
    x = 173,168.34

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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.