Home / 424,669.14-637,008.66-168,564.60

Finding the Fourth Proportional to 424,669.14, 637,008.66 and 168,564.60

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Solution

The fourth proportional to 424,669.14, 637,008.66 and 168,564.60 is: 252,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,669.14 : 637,008.66 = 168,564.60 : x
  2. Step 2: Convert to fraction form
    424,669.14/637,008.66 = 168,564.60/x
  3. Step 3: Cross multiply
    424,669.14x = 637,008.66 × 168,564.60
  4. Step 4: Simplify right side
    424,669.14x = 107,377,109,969.44
  5. Step 5: Solve for x
    x = 107,377,109,969.44/424,669.14
  6. Step 6: Final answer
    x = 252,848.86

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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.