Home / 198,200.88-297,384.48-123,383.52

Finding the Fourth Proportional to 198,200.88, 297,384.48 and 123,383.52

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Solution

The fourth proportional to 198,200.88, 297,384.48 and 123,383.52 is: 185,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,200.88 : 297,384.48 = 123,383.52 : x
  2. Step 2: Convert to fraction form
    198,200.88/297,384.48 = 123,383.52/x
  3. Step 3: Cross multiply
    198,200.88x = 297,384.48 × 123,383.52
  4. Step 4: Simplify right side
    198,200.88x = 36,692,343,935.77
  5. Step 5: Solve for x
    x = 36,692,343,935.77/198,200.88
  6. Step 6: Final answer
    x = 185,127.05

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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.