Home / 160,990.66-241,387.53-76,776.58

Finding the Fourth Proportional to 160,990.66, 241,387.53 and 76,776.58

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Solution

The fourth proportional to 160,990.66, 241,387.53 and 76,776.58 is: 115,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,990.66 : 241,387.53 = 76,776.58 : x
  2. Step 2: Convert to fraction form
    160,990.66/241,387.53 = 76,776.58/x
  3. Step 3: Cross multiply
    160,990.66x = 241,387.53 × 76,776.58
  4. Step 4: Simplify right side
    160,990.66x = 18,532,909,008.05
  5. Step 5: Solve for x
    x = 18,532,909,008.05/160,990.66
  6. Step 6: Final answer
    x = 115,117.91

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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.