Home / 317,857.32-438,567.48-180,037.44

Finding the Fourth Proportional to 317,857.32, 438,567.48 and 180,037.44

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Solution

The fourth proportional to 317,857.32, 438,567.48 and 180,037.44 is: 248,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,857.32 : 438,567.48 = 180,037.44 : x
  2. Step 2: Convert to fraction form
    317,857.32/438,567.48 = 180,037.44/x
  3. Step 3: Cross multiply
    317,857.32x = 438,567.48 × 180,037.44
  4. Step 4: Simplify right side
    317,857.32x = 78,958,566,366.45
  5. Step 5: Solve for x
    x = 78,958,566,366.45/317,857.32
  6. Step 6: Final answer
    x = 248,408.83

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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.