Home / 236,095.20-325,814.94-128,664.90

Finding the Fourth Proportional to 236,095.20, 325,814.94 and 128,664.90

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Solution

The fourth proportional to 236,095.20, 325,814.94 and 128,664.90 is: 177,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,095.20 : 325,814.94 = 128,664.90 : x
  2. Step 2: Convert to fraction form
    236,095.20/325,814.94 = 128,664.90/x
  3. Step 3: Cross multiply
    236,095.20x = 325,814.94 × 128,664.90
  4. Step 4: Simplify right side
    236,095.20x = 41,920,946,673.61
  5. Step 5: Solve for x
    x = 41,920,946,673.61/236,095.20
  6. Step 6: Final answer
    x = 177,559.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.