Home / 236,680.32-326,621.52-129,251.64

Finding the Fourth Proportional to 236,680.32, 326,621.52 and 129,251.64

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Solution

The fourth proportional to 236,680.32, 326,621.52 and 129,251.64 is: 178,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,680.32 : 326,621.52 = 129,251.64 : x
  2. Step 2: Convert to fraction form
    236,680.32/326,621.52 = 129,251.64/x
  3. Step 3: Cross multiply
    236,680.32x = 326,621.52 × 129,251.64
  4. Step 4: Simplify right side
    236,680.32x = 42,216,367,119.29
  5. Step 5: Solve for x
    x = 42,216,367,119.29/236,680.32
  6. Step 6: Final answer
    x = 178,368.73

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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.