Home / 453,269.20-679,829.86-133,346.22

Finding the Fourth Proportional to 453,269.20, 679,829.86 and 133,346.22

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Solution

The fourth proportional to 453,269.20, 679,829.86 and 133,346.22 is: 199,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,269.20 : 679,829.86 = 133,346.22 : x
  2. Step 2: Convert to fraction form
    453,269.20/679,829.86 = 133,346.22/x
  3. Step 3: Cross multiply
    453,269.20x = 679,829.86 × 133,346.22
  4. Step 4: Simplify right side
    453,269.20x = 90,652,744,290.13
  5. Step 5: Solve for x
    x = 90,652,744,290.13/453,269.20
  6. Step 6: Final answer
    x = 199,997.58

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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.