Home / 536,111.20-804,166.80-142,127.20

Finding the Fourth Proportional to 536,111.20, 804,166.80 and 142,127.20

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Solution

The fourth proportional to 536,111.20, 804,166.80 and 142,127.20 is: 213,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,111.20 : 804,166.80 = 142,127.20 : x
  2. Step 2: Convert to fraction form
    536,111.20/804,166.80 = 142,127.20/x
  3. Step 3: Cross multiply
    536,111.20x = 804,166.80 × 142,127.20
  4. Step 4: Simplify right side
    536,111.20x = 114,293,975,616.96
  5. Step 5: Solve for x
    x = 114,293,975,616.96/536,111.20
  6. Step 6: Final answer
    x = 213,190.80

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Similar ratio
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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.