Home / 426,500.02-639,840.25-160,262.84

Finding the Fourth Proportional to 426,500.02, 639,840.25 and 160,262.84

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Solution

The fourth proportional to 426,500.02, 639,840.25 and 160,262.84 is: 240,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,500.02 : 639,840.25 = 160,262.84 : x
  2. Step 2: Convert to fraction form
    426,500.02/639,840.25 = 160,262.84/x
  3. Step 3: Cross multiply
    426,500.02x = 639,840.25 × 160,262.84
  4. Step 4: Simplify right side
    426,500.02x = 102,542,615,611.31
  5. Step 5: Solve for x
    x = 102,542,615,611.31/426,500.02
  6. Step 6: Final answer
    x = 240,428.16

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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.