Home / 242,640.33-334,748.19-162,120.45

Finding the Fourth Proportional to 242,640.33, 334,748.19 and 162,120.45

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Solution

The fourth proportional to 242,640.33, 334,748.19 and 162,120.45 is: 223,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,640.33 : 334,748.19 = 162,120.45 : x
  2. Step 2: Convert to fraction form
    242,640.33/334,748.19 = 162,120.45/x
  3. Step 3: Cross multiply
    242,640.33x = 334,748.19 × 162,120.45
  4. Step 4: Simplify right side
    242,640.33x = 54,269,527,199.49
  5. Step 5: Solve for x
    x = 54,269,527,199.49/242,640.33
  6. Step 6: Final answer
    x = 223,662.44

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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.