Home / 172,368.12-258,551.35-44,284.31

Finding the Fourth Proportional to 172,368.12, 258,551.35 and 44,284.31

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Solution

The fourth proportional to 172,368.12, 258,551.35 and 44,284.31 is: 66,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,368.12 : 258,551.35 = 44,284.31 : x
  2. Step 2: Convert to fraction form
    172,368.12/258,551.35 = 44,284.31/x
  3. Step 3: Cross multiply
    172,368.12x = 258,551.35 × 44,284.31
  4. Step 4: Simplify right side
    172,368.12x = 11,449,768,134.32
  5. Step 5: Solve for x
    x = 11,449,768,134.32/172,368.12
  6. Step 6: Final answer
    x = 66,426.25

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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.