Home / 150,401.46-207,827.76-143,113.62

Finding the Fourth Proportional to 150,401.46, 207,827.76 and 143,113.62

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Solution

The fourth proportional to 150,401.46, 207,827.76 and 143,113.62 is: 197,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,401.46 : 207,827.76 = 143,113.62 : x
  2. Step 2: Convert to fraction form
    150,401.46/207,827.76 = 143,113.62/x
  3. Step 3: Cross multiply
    150,401.46x = 207,827.76 × 143,113.62
  4. Step 4: Simplify right side
    150,401.46x = 29,742,983,070.09
  5. Step 5: Solve for x
    x = 29,742,983,070.09/150,401.46
  6. Step 6: Final answer
    x = 197,757.28

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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.