Home / 206,577.30-309,841.35-56,832.81

Finding the Fourth Proportional to 206,577.30, 309,841.35 and 56,832.81

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Solution

The fourth proportional to 206,577.30, 309,841.35 and 56,832.81 is: 85,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,577.30 : 309,841.35 = 56,832.81 : x
  2. Step 2: Convert to fraction form
    206,577.30/309,841.35 = 56,832.81/x
  3. Step 3: Cross multiply
    206,577.30x = 309,841.35 × 56,832.81
  4. Step 4: Simplify right side
    206,577.30x = 17,609,154,574.69
  5. Step 5: Solve for x
    x = 17,609,154,574.69/206,577.30
  6. Step 6: Final answer
    x = 85,242.45

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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.