Home / 229,821.71-345,055.48-117,582.44

Finding the Fourth Proportional to 229,821.71, 345,055.48 and 117,582.44

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Solution

The fourth proportional to 229,821.71, 345,055.48 and 117,582.44 is: 176,538.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,821.71 : 345,055.48 = 117,582.44 : x
  2. Step 2: Convert to fraction form
    229,821.71/345,055.48 = 117,582.44/x
  3. Step 3: Cross multiply
    229,821.71x = 345,055.48 × 117,582.44
  4. Step 4: Simplify right side
    229,821.71x = 40,572,463,254.54
  5. Step 5: Solve for x
    x = 40,572,463,254.54/229,821.71
  6. Step 6: Final answer
    x = 176,538.87

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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.