Home / 193,529.80-289,905.90-134,432.20

Finding the Fourth Proportional to 193,529.80, 289,905.90 and 134,432.20

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Solution

The fourth proportional to 193,529.80, 289,905.90 and 134,432.20 is: 201,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,529.80 : 289,905.90 = 134,432.20 : x
  2. Step 2: Convert to fraction form
    193,529.80/289,905.90 = 134,432.20/x
  3. Step 3: Cross multiply
    193,529.80x = 289,905.90 × 134,432.20
  4. Step 4: Simplify right side
    193,529.80x = 38,972,687,929.98
  5. Step 5: Solve for x
    x = 38,972,687,929.98/193,529.80
  6. Step 6: Final answer
    x = 201,378.23

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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.