Home / 399,938.22-599,907.94-160,160.10

Finding the Fourth Proportional to 399,938.22, 599,907.94 and 160,160.10

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Solution

The fourth proportional to 399,938.22, 599,907.94 and 160,160.10 is: 240,240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,938.22 : 599,907.94 = 160,160.10 : x
  2. Step 2: Convert to fraction form
    399,938.22/599,907.94 = 160,160.10/x
  3. Step 3: Cross multiply
    399,938.22x = 599,907.94 × 160,160.10
  4. Step 4: Simplify right side
    399,938.22x = 96,081,315,661.19
  5. Step 5: Solve for x
    x = 96,081,315,661.19/399,938.22
  6. Step 6: Final answer
    x = 240,240.39

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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.