Home / 406,021.02-609,017.49-106,499.22

Finding the Fourth Proportional to 406,021.02, 609,017.49 and 106,499.22

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Solution

The fourth proportional to 406,021.02, 609,017.49 and 106,499.22 is: 159,745.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,021.02 : 609,017.49 = 106,499.22 : x
  2. Step 2: Convert to fraction form
    406,021.02/609,017.49 = 106,499.22/x
  3. Step 3: Cross multiply
    406,021.02x = 609,017.49 × 106,499.22
  4. Step 4: Simplify right side
    406,021.02x = 64,859,887,651.36
  5. Step 5: Solve for x
    x = 64,859,887,651.36/406,021.02
  6. Step 6: Final answer
    x = 159,745.15

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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.