Home / 174,008.20-261,012.30-154,179.40

Finding the Fourth Proportional to 174,008.20, 261,012.30 and 154,179.40

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Solution

The fourth proportional to 174,008.20, 261,012.30 and 154,179.40 is: 231,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,008.20 : 261,012.30 = 154,179.40 : x
  2. Step 2: Convert to fraction form
    174,008.20/261,012.30 = 154,179.40/x
  3. Step 3: Cross multiply
    174,008.20x = 261,012.30 × 154,179.40
  4. Step 4: Simplify right side
    174,008.20x = 40,242,719,806.62
  5. Step 5: Solve for x
    x = 40,242,719,806.62/174,008.20
  6. Step 6: Final answer
    x = 231,269.10

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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.