Home / 264,220.90-396,331.35-164,688.10

Finding the Fourth Proportional to 264,220.90, 396,331.35 and 164,688.10

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Solution

The fourth proportional to 264,220.90, 396,331.35 and 164,688.10 is: 247,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,220.90 : 396,331.35 = 164,688.10 : x
  2. Step 2: Convert to fraction form
    264,220.90/396,331.35 = 164,688.10/x
  3. Step 3: Cross multiply
    264,220.90x = 396,331.35 × 164,688.10
  4. Step 4: Simplify right side
    264,220.90x = 65,271,057,001.94
  5. Step 5: Solve for x
    x = 65,271,057,001.94/264,220.90
  6. Step 6: Final answer
    x = 247,032.15

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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.