Home / 236,863.76-326,871.60-129,433.82

Finding the Fourth Proportional to 236,863.76, 326,871.60 and 129,433.82

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Solution

The fourth proportional to 236,863.76, 326,871.60 and 129,433.82 is: 178,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,863.76 : 326,871.60 = 129,433.82 : x
  2. Step 2: Convert to fraction form
    236,863.76/326,871.60 = 129,433.82/x
  3. Step 3: Cross multiply
    236,863.76x = 326,871.60 × 129,433.82
  4. Step 4: Simplify right side
    236,863.76x = 42,308,239,837.51
  5. Step 5: Solve for x
    x = 42,308,239,837.51/236,863.76
  6. Step 6: Final answer
    x = 178,618.46

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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.