Home / 220,370.12-304,109.34-119,768.12

Finding the Fourth Proportional to 220,370.12, 304,109.34 and 119,768.12

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Solution

The fourth proportional to 220,370.12, 304,109.34 and 119,768.12 is: 165,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,370.12 : 304,109.34 = 119,768.12 : x
  2. Step 2: Convert to fraction form
    220,370.12/304,109.34 = 119,768.12/x
  3. Step 3: Cross multiply
    220,370.12x = 304,109.34 × 119,768.12
  4. Step 4: Simplify right side
    220,370.12x = 36,422,603,926.24
  5. Step 5: Solve for x
    x = 36,422,603,926.24/220,370.12
  6. Step 6: Final answer
    x = 165,279.23

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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.