Home / 160,989.66-241,386.03-76,775.58

Finding the Fourth Proportional to 160,989.66, 241,386.03 and 76,775.58

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Solution

The fourth proportional to 160,989.66, 241,386.03 and 76,775.58 is: 115,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,989.66 : 241,386.03 = 76,775.58 : x
  2. Step 2: Convert to fraction form
    160,989.66/241,386.03 = 76,775.58/x
  3. Step 3: Cross multiply
    160,989.66x = 241,386.03 × 76,775.58
  4. Step 4: Simplify right side
    160,989.66x = 18,532,552,457.15
  5. Step 5: Solve for x
    x = 18,532,552,457.15/160,989.66
  6. Step 6: Final answer
    x = 115,116.41

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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.