Home / 236,571.62-326,476.10-129,148.61

Finding the Fourth Proportional to 236,571.62, 326,476.10 and 129,148.61

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Solution

The fourth proportional to 236,571.62, 326,476.10 and 129,148.61 is: 178,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,571.62 : 326,476.10 = 129,148.61 : x
  2. Step 2: Convert to fraction form
    236,571.62/326,476.10 = 129,148.61/x
  3. Step 3: Cross multiply
    236,571.62x = 326,476.10 × 129,148.61
  4. Step 4: Simplify right side
    236,571.62x = 42,163,933,203.71
  5. Step 5: Solve for x
    x = 42,163,933,203.71/236,571.62
  6. Step 6: Final answer
    x = 178,229.05

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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.