Home / 216,485.47-298,764.57-125,841.15

Finding the Fourth Proportional to 216,485.47, 298,764.57 and 125,841.15

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Solution

The fourth proportional to 216,485.47, 298,764.57 and 125,841.15 is: 173,669.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,485.47 : 298,764.57 = 125,841.15 : x
  2. Step 2: Convert to fraction form
    216,485.47/298,764.57 = 125,841.15/x
  3. Step 3: Cross multiply
    216,485.47x = 298,764.57 × 125,841.15
  4. Step 4: Simplify right side
    216,485.47x = 37,596,876,832.10
  5. Step 5: Solve for x
    x = 37,596,876,832.10/216,485.47
  6. Step 6: Final answer
    x = 173,669.29

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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.