Home / 354,623.20-531,934.80-167,999.20

Finding the Fourth Proportional to 354,623.20, 531,934.80 and 167,999.20

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Solution

The fourth proportional to 354,623.20, 531,934.80 and 167,999.20 is: 251,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,623.20 : 531,934.80 = 167,999.20 : x
  2. Step 2: Convert to fraction form
    354,623.20/531,934.80 = 167,999.20/x
  3. Step 3: Cross multiply
    354,623.20x = 531,934.80 × 167,999.20
  4. Step 4: Simplify right side
    354,623.20x = 89,364,620,852.16
  5. Step 5: Solve for x
    x = 89,364,620,852.16/354,623.20
  6. Step 6: Final answer
    x = 251,998.80

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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.