Home / 163,930.80-245,896.20-92,780.40

Finding the Fourth Proportional to 163,930.80, 245,896.20 and 92,780.40

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Solution

The fourth proportional to 163,930.80, 245,896.20 and 92,780.40 is: 139,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,930.80 : 245,896.20 = 92,780.40 : x
  2. Step 2: Convert to fraction form
    163,930.80/245,896.20 = 92,780.40/x
  3. Step 3: Cross multiply
    163,930.80x = 245,896.20 × 92,780.40
  4. Step 4: Simplify right side
    163,930.80x = 22,814,347,794.48
  5. Step 5: Solve for x
    x = 22,814,347,794.48/163,930.80
  6. Step 6: Final answer
    x = 139,170.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.