Home / 174,022.40-260,515.20-103,865.60

Finding the Fourth Proportional to 174,022.40, 260,515.20 and 103,865.60

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Solution

The fourth proportional to 174,022.40, 260,515.20 and 103,865.60 is: 155,488.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,022.40 : 260,515.20 = 103,865.60 : x
  2. Step 2: Convert to fraction form
    174,022.40/260,515.20 = 103,865.60/x
  3. Step 3: Cross multiply
    174,022.40x = 260,515.20 × 103,865.60
  4. Step 4: Simplify right side
    174,022.40x = 27,058,567,557.12
  5. Step 5: Solve for x
    x = 27,058,567,557.12/174,022.40
  6. Step 6: Final answer
    x = 155,488.99

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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.