Home / 314,825.20-472,237.80-173,107.60

Finding the Fourth Proportional to 314,825.20, 472,237.80 and 173,107.60

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Solution

The fourth proportional to 314,825.20, 472,237.80 and 173,107.60 is: 259,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,825.20 : 472,237.80 = 173,107.60 : x
  2. Step 2: Convert to fraction form
    314,825.20/472,237.80 = 173,107.60/x
  3. Step 3: Cross multiply
    314,825.20x = 472,237.80 × 173,107.60
  4. Step 4: Simplify right side
    314,825.20x = 81,747,952,187.28
  5. Step 5: Solve for x
    x = 81,747,952,187.28/314,825.20
  6. Step 6: Final answer
    x = 259,661.40

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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.