Home / 443,065.48-664,566.12-173,142.98

Finding the Fourth Proportional to 443,065.48, 664,566.12 and 173,142.98

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Solution

The fourth proportional to 443,065.48, 664,566.12 and 173,142.98 is: 259,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,065.48 : 664,566.12 = 173,142.98 : x
  2. Step 2: Convert to fraction form
    443,065.48/664,566.12 = 173,142.98/x
  3. Step 3: Cross multiply
    443,065.48x = 664,566.12 × 173,142.98
  4. Step 4: Simplify right side
    443,065.48x = 115,064,958,423.84
  5. Step 5: Solve for x
    x = 115,064,958,423.84/443,065.48
  6. Step 6: Final answer
    x = 259,701.93

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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.