Home / 301,929.12-416,653.18-172,863.31

Finding the Fourth Proportional to 301,929.12, 416,653.18 and 172,863.31

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Solution

The fourth proportional to 301,929.12, 416,653.18 and 172,863.31 is: 238,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,929.12 : 416,653.18 = 172,863.31 : x
  2. Step 2: Convert to fraction form
    301,929.12/416,653.18 = 172,863.31/x
  3. Step 3: Cross multiply
    301,929.12x = 416,653.18 × 172,863.31
  4. Step 4: Simplify right side
    301,929.12x = 72,024,047,816.83
  5. Step 5: Solve for x
    x = 72,024,047,816.83/301,929.12
  6. Step 6: Final answer
    x = 238,546.21

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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.