Home / 317,699.32-438,464.60-181,714.44

Finding the Fourth Proportional to 317,699.32, 438,464.60 and 181,714.44

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Solution

The fourth proportional to 317,699.32, 438,464.60 and 181,714.44 is: 250,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,699.32 : 438,464.60 = 181,714.44 : x
  2. Step 2: Convert to fraction form
    317,699.32/438,464.60 = 181,714.44/x
  3. Step 3: Cross multiply
    317,699.32x = 438,464.60 × 181,714.44
  4. Step 4: Simplify right side
    317,699.32x = 79,675,349,248.82
  5. Step 5: Solve for x
    x = 79,675,349,248.82/317,699.32
  6. Step 6: Final answer
    x = 250,788.54

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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.