Home / 193,133.70-289,700.55-163,682.10

Finding the Fourth Proportional to 193,133.70, 289,700.55 and 163,682.10

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Solution

The fourth proportional to 193,133.70, 289,700.55 and 163,682.10 is: 245,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,133.70 : 289,700.55 = 163,682.10 : x
  2. Step 2: Convert to fraction form
    193,133.70/289,700.55 = 163,682.10/x
  3. Step 3: Cross multiply
    193,133.70x = 289,700.55 × 163,682.10
  4. Step 4: Simplify right side
    193,133.70x = 47,418,794,395.16
  5. Step 5: Solve for x
    x = 47,418,794,395.16/193,133.70
  6. Step 6: Final answer
    x = 245,523.15

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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.