Home / 161,405.04-242,332.20-82,573.68

Finding the Fourth Proportional to 161,405.04, 242,332.20 and 82,573.68

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Solution

The fourth proportional to 161,405.04, 242,332.20 and 82,573.68 is: 123,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,405.04 : 242,332.20 = 82,573.68 : x
  2. Step 2: Convert to fraction form
    161,405.04/242,332.20 = 82,573.68/x
  3. Step 3: Cross multiply
    161,405.04x = 242,332.20 × 82,573.68
  4. Step 4: Simplify right side
    161,405.04x = 20,010,261,536.50
  5. Step 5: Solve for x
    x = 20,010,261,536.50/161,405.04
  6. Step 6: Final answer
    x = 123,975.44

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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.