Home / 236,661.32-326,595.30-129,232.64

Finding the Fourth Proportional to 236,661.32, 326,595.30 and 129,232.64

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Solution

The fourth proportional to 236,661.32, 326,595.30 and 129,232.64 is: 178,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,661.32 : 326,595.30 = 129,232.64 : x
  2. Step 2: Convert to fraction form
    236,661.32/326,595.30 = 129,232.64/x
  3. Step 3: Cross multiply
    236,661.32x = 326,595.30 × 129,232.64
  4. Step 4: Simplify right side
    236,661.32x = 42,206,772,830.59
  5. Step 5: Solve for x
    x = 42,206,772,830.59/236,661.32
  6. Step 6: Final answer
    x = 178,342.51

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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.