Home / 172,622.48-258,912.65-46,272.20

Finding the Fourth Proportional to 172,622.48, 258,912.65 and 46,272.20

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Solution

The fourth proportional to 172,622.48, 258,912.65 and 46,272.20 is: 69,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,622.48 : 258,912.65 = 46,272.20 : x
  2. Step 2: Convert to fraction form
    172,622.48/258,912.65 = 46,272.20/x
  3. Step 3: Cross multiply
    172,622.48x = 258,912.65 × 46,272.20
  4. Step 4: Simplify right side
    172,622.48x = 11,980,456,744.45
  5. Step 5: Solve for x
    x = 11,980,456,744.45/172,622.48
  6. Step 6: Final answer
    x = 69,402.65

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1.5x scale

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.