Home / 116,523.86-160,804.05-66,223.22

Finding the Fourth Proportional to 116,523.86, 160,804.05 and 66,223.22

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Solution

The fourth proportional to 116,523.86, 160,804.05 and 66,223.22 is: 91,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,523.86 : 160,804.05 = 66,223.22 : x
  2. Step 2: Convert to fraction form
    116,523.86/160,804.05 = 66,223.22/x
  3. Step 3: Cross multiply
    116,523.86x = 160,804.05 × 66,223.22
  4. Step 4: Simplify right side
    116,523.86x = 10,648,961,980.04
  5. Step 5: Solve for x
    x = 10,648,961,980.04/116,523.86
  6. Step 6: Final answer
    x = 91,388.68

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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.