Home / 443,025.02-664,632.30-143,535.62

Finding the Fourth Proportional to 443,025.02, 664,632.30 and 143,535.62

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Solution

The fourth proportional to 443,025.02, 664,632.30 and 143,535.62 is: 215,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,025.02 : 664,632.30 = 143,535.62 : x
  2. Step 2: Convert to fraction form
    443,025.02/664,632.30 = 143,535.62/x
  3. Step 3: Cross multiply
    443,025.02x = 664,632.30 × 143,535.62
  4. Step 4: Simplify right side
    443,025.02x = 95,398,409,252.53
  5. Step 5: Solve for x
    x = 95,398,409,252.53/443,025.02
  6. Step 6: Final answer
    x = 215,334.13

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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.