Home / 534,770.61-802,157.76-135,411.21

Finding the Fourth Proportional to 534,770.61, 802,157.76 and 135,411.21

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Solution

The fourth proportional to 534,770.61, 802,157.76 and 135,411.21 is: 203,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,770.61 : 802,157.76 = 135,411.21 : x
  2. Step 2: Convert to fraction form
    534,770.61/802,157.76 = 135,411.21/x
  3. Step 3: Cross multiply
    534,770.61x = 802,157.76 × 135,411.21
  4. Step 4: Simplify right side
    534,770.61x = 108,621,152,892.49
  5. Step 5: Solve for x
    x = 108,621,152,892.49/534,770.61
  6. Step 6: Final answer
    x = 203,117.28

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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.