Home / 208,377.27-287,554.68-122,334.84

Finding the Fourth Proportional to 208,377.27, 287,554.68 and 122,334.84

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Solution

The fourth proportional to 208,377.27, 287,554.68 and 122,334.84 is: 168,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,377.27 : 287,554.68 = 122,334.84 : x
  2. Step 2: Convert to fraction form
    208,377.27/287,554.68 = 122,334.84/x
  3. Step 3: Cross multiply
    208,377.27x = 287,554.68 × 122,334.84
  4. Step 4: Simplify right side
    208,377.27x = 35,177,955,769.05
  5. Step 5: Solve for x
    x = 35,177,955,769.05/208,377.27
  6. Step 6: Final answer
    x = 168,818.58

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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.