Home / 426,372.35-639,371.30-159,946.02

Finding the Fourth Proportional to 426,372.35, 639,371.30 and 159,946.02

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Solution

The fourth proportional to 426,372.35, 639,371.30 and 159,946.02 is: 239,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,372.35 : 639,371.30 = 159,946.02 : x
  2. Step 2: Convert to fraction form
    426,372.35/639,371.30 = 159,946.02/x
  3. Step 3: Cross multiply
    426,372.35x = 639,371.30 × 159,946.02
  4. Step 4: Simplify right side
    426,372.35x = 102,264,893,937.50
  5. Step 5: Solve for x
    x = 102,264,893,937.50/426,372.35
  6. Step 6: Final answer
    x = 239,848.80

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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.