Home / 198,319.84-297,184.36-109,598.76

Finding the Fourth Proportional to 198,319.84, 297,184.36 and 109,598.76

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Solution

The fourth proportional to 198,319.84, 297,184.36 and 109,598.76 is: 164,234.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,319.84 : 297,184.36 = 109,598.76 : x
  2. Step 2: Convert to fraction form
    198,319.84/297,184.36 = 109,598.76/x
  3. Step 3: Cross multiply
    198,319.84x = 297,184.36 × 109,598.76
  4. Step 4: Simplify right side
    198,319.84x = 32,571,037,347.39
  5. Step 5: Solve for x
    x = 32,571,037,347.39/198,319.84
  6. Step 6: Final answer
    x = 164,234.89

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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.