Home / 270,678.10-373,629.19-156,002.49

Finding the Fourth Proportional to 270,678.10, 373,629.19 and 156,002.49

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Solution

The fourth proportional to 270,678.10, 373,629.19 and 156,002.49 is: 215,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,678.10 : 373,629.19 = 156,002.49 : x
  2. Step 2: Convert to fraction form
    270,678.10/373,629.19 = 156,002.49/x
  3. Step 3: Cross multiply
    270,678.10x = 373,629.19 × 156,002.49
  4. Step 4: Simplify right side
    270,678.10x = 58,287,082,761.99
  5. Step 5: Solve for x
    x = 58,287,082,761.99/270,678.10
  6. Step 6: Final answer
    x = 215,337.27

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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.