Home / 213,190.23-294,169.00-122,528.69

Finding the Fourth Proportional to 213,190.23, 294,169.00 and 122,528.69

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Solution

The fourth proportional to 213,190.23, 294,169.00 and 122,528.69 is: 169,070.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,190.23 : 294,169.00 = 122,528.69 : x
  2. Step 2: Convert to fraction form
    213,190.23/294,169.00 = 122,528.69/x
  3. Step 3: Cross multiply
    213,190.23x = 294,169.00 × 122,528.69
  4. Step 4: Simplify right side
    213,190.23x = 36,044,141,534.58
  5. Step 5: Solve for x
    x = 36,044,141,534.58/213,190.23
  6. Step 6: Final answer
    x = 169,070.33

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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.