Home / 347,314.41-521,033.58-122,805.20

Finding the Fourth Proportional to 347,314.41, 521,033.58 and 122,805.20

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Solution

The fourth proportional to 347,314.41, 521,033.58 and 122,805.20 is: 184,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,314.41 : 521,033.58 = 122,805.20 : x
  2. Step 2: Convert to fraction form
    347,314.41/521,033.58 = 122,805.20/x
  3. Step 3: Cross multiply
    347,314.41x = 521,033.58 × 122,805.20
  4. Step 4: Simplify right side
    347,314.41x = 63,985,630,393.45
  5. Step 5: Solve for x
    x = 63,985,630,393.45/347,314.41
  6. Step 6: Final answer
    x = 184,229.70

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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.