Home / 236,416.80-354,625.20-112,000.80

Finding the Fourth Proportional to 236,416.80, 354,625.20 and 112,000.80

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Solution

The fourth proportional to 236,416.80, 354,625.20 and 112,000.80 is: 168,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,416.80 : 354,625.20 = 112,000.80 : x
  2. Step 2: Convert to fraction form
    236,416.80/354,625.20 = 112,000.80/x
  3. Step 3: Cross multiply
    236,416.80x = 354,625.20 × 112,000.80
  4. Step 4: Simplify right side
    236,416.80x = 39,718,306,100.16
  5. Step 5: Solve for x
    x = 39,718,306,100.16/236,416.80
  6. Step 6: Final answer
    x = 168,001.20

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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.