Home / 143,527.16-197,930.04-109,475.12

Finding the Fourth Proportional to 143,527.16, 197,930.04 and 109,475.12

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Solution

The fourth proportional to 143,527.16, 197,930.04 and 109,475.12 is: 150,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,527.16 : 197,930.04 = 109,475.12 : x
  2. Step 2: Convert to fraction form
    143,527.16/197,930.04 = 109,475.12/x
  3. Step 3: Cross multiply
    143,527.16x = 197,930.04 × 109,475.12
  4. Step 4: Simplify right side
    143,527.16x = 21,668,414,880.60
  5. Step 5: Solve for x
    x = 21,668,414,880.60/143,527.16
  6. Step 6: Final answer
    x = 150,970.83

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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.