Home / 161,814.24-242,650.08-86,911.92

Finding the Fourth Proportional to 161,814.24, 242,650.08 and 86,911.92

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Solution

The fourth proportional to 161,814.24, 242,650.08 and 86,911.92 is: 130,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,814.24 : 242,650.08 = 86,911.92 : x
  2. Step 2: Convert to fraction form
    161,814.24/242,650.08 = 86,911.92/x
  3. Step 3: Cross multiply
    161,814.24x = 242,650.08 × 86,911.92
  4. Step 4: Simplify right side
    161,814.24x = 21,089,184,340.95
  5. Step 5: Solve for x
    x = 21,089,184,340.95/161,814.24
  6. Step 6: Final answer
    x = 130,329.59

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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.