Home / 161,927.10-242,890.65-122,561.10

Finding the Fourth Proportional to 161,927.10, 242,890.65 and 122,561.10

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Solution

The fourth proportional to 161,927.10, 242,890.65 and 122,561.10 is: 183,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,927.10 : 242,890.65 = 122,561.10 : x
  2. Step 2: Convert to fraction form
    161,927.10/242,890.65 = 122,561.10/x
  3. Step 3: Cross multiply
    161,927.10x = 242,890.65 × 122,561.10
  4. Step 4: Simplify right side
    161,927.10x = 29,768,945,243.72
  5. Step 5: Solve for x
    x = 29,768,945,243.72/161,927.10
  6. Step 6: Final answer
    x = 183,841.65

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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.