Home / 134,528.20-201,792.30-99,622.60

Finding the Fourth Proportional to 134,528.20, 201,792.30 and 99,622.60

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Solution

The fourth proportional to 134,528.20, 201,792.30 and 99,622.60 is: 149,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,528.20 : 201,792.30 = 99,622.60 : x
  2. Step 2: Convert to fraction form
    134,528.20/201,792.30 = 99,622.60/x
  3. Step 3: Cross multiply
    134,528.20x = 201,792.30 × 99,622.60
  4. Step 4: Simplify right side
    134,528.20x = 20,103,073,585.98
  5. Step 5: Solve for x
    x = 20,103,073,585.98/134,528.20
  6. Step 6: Final answer
    x = 149,433.90

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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.