Home / 403,136.22-556,141.86-259,942.26

Finding the Fourth Proportional to 403,136.22, 556,141.86 and 259,942.26

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Solution

The fourth proportional to 403,136.22, 556,141.86 and 259,942.26 is: 358,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,136.22 : 556,141.86 = 259,942.26 : x
  2. Step 2: Convert to fraction form
    403,136.22/556,141.86 = 259,942.26/x
  3. Step 3: Cross multiply
    403,136.22x = 556,141.86 × 259,942.26
  4. Step 4: Simplify right side
    403,136.22x = 144,564,771,969.00
  5. Step 5: Solve for x
    x = 144,564,771,969.00/403,136.22
  6. Step 6: Final answer
    x = 358,600.31

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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.