Home / 190,901.46-263,344.32-129,626.04

Finding the Fourth Proportional to 190,901.46, 263,344.32 and 129,626.04

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Solution

The fourth proportional to 190,901.46, 263,344.32 and 129,626.04 is: 178,816.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,901.46 : 263,344.32 = 129,626.04 : x
  2. Step 2: Convert to fraction form
    190,901.46/263,344.32 = 129,626.04/x
  3. Step 3: Cross multiply
    190,901.46x = 263,344.32 × 129,626.04
  4. Step 4: Simplify right side
    190,901.46x = 34,136,281,358.09
  5. Step 5: Solve for x
    x = 34,136,281,358.09/190,901.46
  6. Step 6: Final answer
    x = 178,816.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.