Home / 443,330.94-665,138.07-158,829.42

Finding the Fourth Proportional to 443,330.94, 665,138.07 and 158,829.42

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Solution

The fourth proportional to 443,330.94, 665,138.07 and 158,829.42 is: 238,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,330.94 : 665,138.07 = 158,829.42 : x
  2. Step 2: Convert to fraction form
    443,330.94/665,138.07 = 158,829.42/x
  3. Step 3: Cross multiply
    443,330.94x = 665,138.07 × 158,829.42
  4. Step 4: Simplify right side
    443,330.94x = 105,643,493,878.02
  5. Step 5: Solve for x
    x = 105,643,493,878.02/443,330.94
  6. Step 6: Final answer
    x = 238,294.88

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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.