Home / 206,460.08-309,690.52-56,702.32

Finding the Fourth Proportional to 206,460.08, 309,690.52 and 56,702.32

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Solution

The fourth proportional to 206,460.08, 309,690.52 and 56,702.32 is: 85,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,460.08 : 309,690.52 = 56,702.32 : x
  2. Step 2: Convert to fraction form
    206,460.08/309,690.52 = 56,702.32/x
  3. Step 3: Cross multiply
    206,460.08x = 309,690.52 × 56,702.32
  4. Step 4: Simplify right side
    206,460.08x = 17,560,170,966.01
  5. Step 5: Solve for x
    x = 17,560,170,966.01/206,460.08
  6. Step 6: Final answer
    x = 85,053.59

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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.