Home / 403,021.58-604,457.18-163,072.59

Finding the Fourth Proportional to 403,021.58, 604,457.18 and 163,072.59

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Solution

The fourth proportional to 403,021.58, 604,457.18 and 163,072.59 is: 244,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,021.58 : 604,457.18 = 163,072.59 : x
  2. Step 2: Convert to fraction form
    403,021.58/604,457.18 = 163,072.59/x
  3. Step 3: Cross multiply
    403,021.58x = 604,457.18 × 163,072.59
  4. Step 4: Simplify right side
    403,021.58x = 98,570,399,733.50
  5. Step 5: Solve for x
    x = 98,570,399,733.50/403,021.58
  6. Step 6: Final answer
    x = 244,578.47

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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.