Home / 406,196.30-609,408.35-163,208.00

Finding the Fourth Proportional to 406,196.30, 609,408.35 and 163,208.00

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Solution

The fourth proportional to 406,196.30, 609,408.35 and 163,208.00 is: 244,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,196.30 : 609,408.35 = 163,208.00 : x
  2. Step 2: Convert to fraction form
    406,196.30/609,408.35 = 163,208.00/x
  3. Step 3: Cross multiply
    406,196.30x = 609,408.35 × 163,208.00
  4. Step 4: Simplify right side
    406,196.30x = 99,460,316,291.62
  5. Step 5: Solve for x
    x = 99,460,316,291.62/406,196.30
  6. Step 6: Final answer
    x = 244,857.76

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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.