Home / 236,056.38-325,753.70-128,627.30

Finding the Fourth Proportional to 236,056.38, 325,753.70 and 128,627.30

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Solution

The fourth proportional to 236,056.38, 325,753.70 and 128,627.30 is: 177,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,056.38 : 325,753.70 = 128,627.30 : x
  2. Step 2: Convert to fraction form
    236,056.38/325,753.70 = 128,627.30/x
  3. Step 3: Cross multiply
    236,056.38x = 325,753.70 × 128,627.30
  4. Step 4: Simplify right side
    236,056.38x = 41,900,818,896.01
  5. Step 5: Solve for x
    x = 41,900,818,896.01/236,056.38
  6. Step 6: Final answer
    x = 177,503.44

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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.