Home / 112,966.80-169,450.20-28,726.80

Finding the Fourth Proportional to 112,966.80, 169,450.20 and 28,726.80

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Solution

The fourth proportional to 112,966.80, 169,450.20 and 28,726.80 is: 43,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,966.80 : 169,450.20 = 28,726.80 : x
  2. Step 2: Convert to fraction form
    112,966.80/169,450.20 = 28,726.80/x
  3. Step 3: Cross multiply
    112,966.80x = 169,450.20 × 28,726.80
  4. Step 4: Simplify right side
    112,966.80x = 4,867,762,005.36
  5. Step 5: Solve for x
    x = 4,867,762,005.36/112,966.80
  6. Step 6: Final answer
    x = 43,090.20

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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.