Home / 236,859.77-326,867.34-129,429.81

Finding the Fourth Proportional to 236,859.77, 326,867.34 and 129,429.81

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Solution

The fourth proportional to 236,859.77, 326,867.34 and 129,429.81 is: 178,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,859.77 : 326,867.34 = 129,429.81 : x
  2. Step 2: Convert to fraction form
    236,859.77/326,867.34 = 129,429.81/x
  3. Step 3: Cross multiply
    236,859.77x = 326,867.34 × 129,429.81
  4. Step 4: Simplify right side
    236,859.77x = 42,306,375,429.92
  5. Step 5: Solve for x
    x = 42,306,375,429.92/236,859.77
  6. Step 6: Final answer
    x = 178,613.60

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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.