Home / 228,922.98-315,907.73-126,948.18

Finding the Fourth Proportional to 228,922.98, 315,907.73 and 126,948.18

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Solution

The fourth proportional to 228,922.98, 315,907.73 and 126,948.18 is: 175,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,922.98 : 315,907.73 = 126,948.18 : x
  2. Step 2: Convert to fraction form
    228,922.98/315,907.73 = 126,948.18/x
  3. Step 3: Cross multiply
    228,922.98x = 315,907.73 × 126,948.18
  4. Step 4: Simplify right side
    228,922.98x = 40,103,910,736.69
  5. Step 5: Solve for x
    x = 40,103,910,736.69/228,922.98
  6. Step 6: Final answer
    x = 175,185.17

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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.