Home / 236,246.52-326,014.20-128,818.56

Finding the Fourth Proportional to 236,246.52, 326,014.20 and 128,818.56

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Solution

The fourth proportional to 236,246.52, 326,014.20 and 128,818.56 is: 177,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,246.52 : 326,014.20 = 128,818.56 : x
  2. Step 2: Convert to fraction form
    236,246.52/326,014.20 = 128,818.56/x
  3. Step 3: Cross multiply
    236,246.52x = 326,014.20 × 128,818.56
  4. Step 4: Simplify right side
    236,246.52x = 41,996,679,783.55
  5. Step 5: Solve for x
    x = 41,996,679,783.55/236,246.52
  6. Step 6: Final answer
    x = 177,766.34

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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.