Home / 161,957.93-242,708.53-76,477.58

Finding the Fourth Proportional to 161,957.93, 242,708.53 and 76,477.58

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Solution

The fourth proportional to 161,957.93, 242,708.53 and 76,477.58 is: 114,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,957.93 : 242,708.53 = 76,477.58 : x
  2. Step 2: Convert to fraction form
    161,957.93/242,708.53 = 76,477.58/x
  3. Step 3: Cross multiply
    161,957.93x = 242,708.53 × 76,477.58
  4. Step 4: Simplify right side
    161,957.93x = 18,561,761,019.76
  5. Step 5: Solve for x
    x = 18,561,761,019.76/161,957.93
  6. Step 6: Final answer
    x = 114,608.53

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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.