Home / 628,089.23-942,111.57-178,812.47

Finding the Fourth Proportional to 628,089.23, 942,111.57 and 178,812.47

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Solution

The fourth proportional to 628,089.23, 942,111.57 and 178,812.47 is: 268,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,089.23 : 942,111.57 = 178,812.47 : x
  2. Step 2: Convert to fraction form
    628,089.23/942,111.57 = 178,812.47/x
  3. Step 3: Cross multiply
    628,089.23x = 942,111.57 × 178,812.47
  4. Step 4: Simplify right side
    628,089.23x = 168,461,299,873.10
  5. Step 5: Solve for x
    x = 168,461,299,873.10/628,089.23
  6. Step 6: Final answer
    x = 268,212.37

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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.