Home / 205,708.30-308,562.45-164,236.30

Finding the Fourth Proportional to 205,708.30, 308,562.45 and 164,236.30

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Solution

The fourth proportional to 205,708.30, 308,562.45 and 164,236.30 is: 246,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,708.30 : 308,562.45 = 164,236.30 : x
  2. Step 2: Convert to fraction form
    205,708.30/308,562.45 = 164,236.30/x
  3. Step 3: Cross multiply
    205,708.30x = 308,562.45 × 164,236.30
  4. Step 4: Simplify right side
    205,708.30x = 50,677,155,106.94
  5. Step 5: Solve for x
    x = 50,677,155,106.94/205,708.30
  6. Step 6: Final answer
    x = 246,354.45

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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.