Home / 442,946.24-664,525.18-143,427.16

Finding the Fourth Proportional to 442,946.24, 664,525.18 and 143,427.16

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Solution

The fourth proportional to 442,946.24, 664,525.18 and 143,427.16 is: 215,175.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,946.24 : 664,525.18 = 143,427.16 : x
  2. Step 2: Convert to fraction form
    442,946.24/664,525.18 = 143,427.16/x
  3. Step 3: Cross multiply
    442,946.24x = 664,525.18 × 143,427.16
  4. Step 4: Simplify right side
    442,946.24x = 95,310,959,315.89
  5. Step 5: Solve for x
    x = 95,310,959,315.89/442,946.24
  6. Step 6: Final answer
    x = 215,175.00

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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.