Home / 334,439.77-501,823.68-156,961.21

Finding the Fourth Proportional to 334,439.77, 501,823.68 and 156,961.21

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Solution

The fourth proportional to 334,439.77, 501,823.68 and 156,961.21 is: 235,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,439.77 : 501,823.68 = 156,961.21 : x
  2. Step 2: Convert to fraction form
    334,439.77/501,823.68 = 156,961.21/x
  3. Step 3: Cross multiply
    334,439.77x = 501,823.68 × 156,961.21
  4. Step 4: Simplify right side
    334,439.77x = 78,766,852,019.45
  5. Step 5: Solve for x
    x = 78,766,852,019.45/334,439.77
  6. Step 6: Final answer
    x = 235,518.80

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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.