Home / 406,203.11-609,332.30-106,683.15

Finding the Fourth Proportional to 406,203.11, 609,332.30 and 106,683.15

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Solution

The fourth proportional to 406,203.11, 609,332.30 and 106,683.15 is: 160,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,203.11 : 609,332.30 = 106,683.15 : x
  2. Step 2: Convert to fraction form
    406,203.11/609,332.30 = 106,683.15/x
  3. Step 3: Cross multiply
    406,203.11x = 609,332.30 × 106,683.15
  4. Step 4: Simplify right side
    406,203.11x = 65,005,489,160.75
  5. Step 5: Solve for x
    x = 65,005,489,160.75/406,203.11
  6. Step 6: Final answer
    x = 160,031.98

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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.