Home / 196,210.89-270,822.80-115,692.05

Finding the Fourth Proportional to 196,210.89, 270,822.80 and 115,692.05

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Solution

The fourth proportional to 196,210.89, 270,822.80 and 115,692.05 is: 159,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,210.89 : 270,822.80 = 115,692.05 : x
  2. Step 2: Convert to fraction form
    196,210.89/270,822.80 = 115,692.05/x
  3. Step 3: Cross multiply
    196,210.89x = 270,822.80 × 115,692.05
  4. Step 4: Simplify right side
    196,210.89x = 31,332,045,885.03
  5. Step 5: Solve for x
    x = 31,332,045,885.03/196,210.89
  6. Step 6: Final answer
    x = 159,685.56

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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.