Home / 201,511.57-302,304.27-83,118.33

Finding the Fourth Proportional to 201,511.57, 302,304.27 and 83,118.33

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Solution

The fourth proportional to 201,511.57, 302,304.27 and 83,118.33 is: 124,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,511.57 : 302,304.27 = 83,118.33 : x
  2. Step 2: Convert to fraction form
    201,511.57/302,304.27 = 83,118.33/x
  3. Step 3: Cross multiply
    201,511.57x = 302,304.27 × 83,118.33
  4. Step 4: Simplify right side
    201,511.57x = 25,127,025,384.70
  5. Step 5: Solve for x
    x = 25,127,025,384.70/201,511.57
  6. Step 6: Final answer
    x = 124,692.72

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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.