Home / 664,331.10-996,334.65-190,967.10

Finding the Fourth Proportional to 664,331.10, 996,334.65 and 190,967.10

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Solution

The fourth proportional to 664,331.10, 996,334.65 and 190,967.10 is: 286,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,331.10 : 996,334.65 = 190,967.10 : x
  2. Step 2: Convert to fraction form
    664,331.10/996,334.65 = 190,967.10/x
  3. Step 3: Cross multiply
    664,331.10x = 996,334.65 × 190,967.10
  4. Step 4: Simplify right side
    664,331.10x = 190,267,138,740.02
  5. Step 5: Solve for x
    x = 190,267,138,740.02/664,331.10
  6. Step 6: Final answer
    x = 286,404.08

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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.