Home / 236,340.14-326,150.41-128,912.48

Finding the Fourth Proportional to 236,340.14, 326,150.41 and 128,912.48

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Solution

The fourth proportional to 236,340.14, 326,150.41 and 128,912.48 is: 177,899.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,340.14 : 326,150.41 = 128,912.48 : x
  2. Step 2: Convert to fraction form
    236,340.14/326,150.41 = 128,912.48/x
  3. Step 3: Cross multiply
    236,340.14x = 326,150.41 × 128,912.48
  4. Step 4: Simplify right side
    236,340.14x = 42,044,855,930.80
  5. Step 5: Solve for x
    x = 42,044,855,930.80/236,340.14
  6. Step 6: Final answer
    x = 177,899.77

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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.