Home / 664,118.10-996,047.55-214,730.10

Finding the Fourth Proportional to 664,118.10, 996,047.55 and 214,730.10

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Solution

The fourth proportional to 664,118.10, 996,047.55 and 214,730.10 is: 322,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,118.10 : 996,047.55 = 214,730.10 : x
  2. Step 2: Convert to fraction form
    664,118.10/996,047.55 = 214,730.10/x
  3. Step 3: Cross multiply
    664,118.10x = 996,047.55 × 214,730.10
  4. Step 4: Simplify right side
    664,118.10x = 213,881,390,016.26
  5. Step 5: Solve for x
    x = 213,881,390,016.26/664,118.10
  6. Step 6: Final answer
    x = 322,053.25

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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.