Home / 347,346.45-479,432.39-204,152.49

Finding the Fourth Proportional to 347,346.45, 479,432.39 and 204,152.49

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Solution

The fourth proportional to 347,346.45, 479,432.39 and 204,152.49 is: 281,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,346.45 : 479,432.39 = 204,152.49 : x
  2. Step 2: Convert to fraction form
    347,346.45/479,432.39 = 204,152.49/x
  3. Step 3: Cross multiply
    347,346.45x = 479,432.39 × 204,152.49
  4. Step 4: Simplify right side
    347,346.45x = 97,877,315,184.39
  5. Step 5: Solve for x
    x = 97,877,315,184.39/347,346.45
  6. Step 6: Final answer
    x = 281,785.85

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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.