Home / 301,121.52-415,517.76-173,838.12

Finding the Fourth Proportional to 301,121.52, 415,517.76 and 173,838.12

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Solution

The fourth proportional to 301,121.52, 415,517.76 and 173,838.12 is: 239,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,121.52 : 415,517.76 = 173,838.12 : x
  2. Step 2: Convert to fraction form
    301,121.52/415,517.76 = 173,838.12/x
  3. Step 3: Cross multiply
    301,121.52x = 415,517.76 × 173,838.12
  4. Step 4: Simplify right side
    301,121.52x = 72,232,826,225.01
  5. Step 5: Solve for x
    x = 72,232,826,225.01/301,121.52
  6. Step 6: Final answer
    x = 239,879.32

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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.