Home / 236,717.38-326,664.93-129,287.84

Finding the Fourth Proportional to 236,717.38, 326,664.93 and 129,287.84

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Solution

The fourth proportional to 236,717.38, 326,664.93 and 129,287.84 is: 178,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,717.38 : 326,664.93 = 129,287.84 : x
  2. Step 2: Convert to fraction form
    236,717.38/326,664.93 = 129,287.84/x
  3. Step 3: Cross multiply
    236,717.38x = 326,664.93 × 129,287.84
  4. Step 4: Simplify right side
    236,717.38x = 42,233,803,203.45
  5. Step 5: Solve for x
    x = 42,233,803,203.45/236,717.38
  6. Step 6: Final answer
    x = 178,414.46

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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.