Home / 336,849.40-505,344.30-112,279.60

Finding the Fourth Proportional to 336,849.40, 505,344.30 and 112,279.60

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Solution

The fourth proportional to 336,849.40, 505,344.30 and 112,279.60 is: 168,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,849.40 : 505,344.30 = 112,279.60 : x
  2. Step 2: Convert to fraction form
    336,849.40/505,344.30 = 112,279.60/x
  3. Step 3: Cross multiply
    336,849.40x = 505,344.30 × 112,279.60
  4. Step 4: Simplify right side
    336,849.40x = 56,739,855,866.28
  5. Step 5: Solve for x
    x = 56,739,855,866.28/336,849.40
  6. Step 6: Final answer
    x = 168,442.80

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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.