Home / 166,440.32-229,689-94,819.20

Finding the Fourth Proportional to 166,440.32, 229,689 and 94,819.20

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Solution

The fourth proportional to 166,440.32, 229,689 and 94,819.20 is: 130,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,440.32 : 229,689 = 94,819.20 : x
  2. Step 2: Convert to fraction form
    166,440.32/229,689 = 94,819.20/x
  3. Step 3: Cross multiply
    166,440.32x = 229,689 × 94,819.20
  4. Step 4: Simplify right side
    166,440.32x = 21,778,927,228.80
  5. Step 5: Solve for x
    x = 21,778,927,228.80/166,440.32
  6. Step 6: Final answer
    x = 130,851.27

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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.