Home / 434,537.30-651,611.55-168,209.30

Finding the Fourth Proportional to 434,537.30, 651,611.55 and 168,209.30

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Solution

The fourth proportional to 434,537.30, 651,611.55 and 168,209.30 is: 252,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,537.30 : 651,611.55 = 168,209.30 : x
  2. Step 2: Convert to fraction form
    434,537.30/651,611.55 = 168,209.30/x
  3. Step 3: Cross multiply
    434,537.30x = 651,611.55 × 168,209.30
  4. Step 4: Simplify right side
    434,537.30x = 109,607,122,697.42
  5. Step 5: Solve for x
    x = 109,607,122,697.42/434,537.30
  6. Step 6: Final answer
    x = 252,238.70

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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.