Home / 208,335.62-312,521.88-58,577.21

Finding the Fourth Proportional to 208,335.62, 312,521.88 and 58,577.21

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Solution

The fourth proportional to 208,335.62, 312,521.88 and 58,577.21 is: 87,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,335.62 : 312,521.88 = 58,577.21 : x
  2. Step 2: Convert to fraction form
    208,335.62/312,521.88 = 58,577.21/x
  3. Step 3: Cross multiply
    208,335.62x = 312,521.88 × 58,577.21
  4. Step 4: Simplify right side
    208,335.62x = 18,306,658,231.75
  5. Step 5: Solve for x
    x = 18,306,658,231.75/208,335.62
  6. Step 6: Final answer
    x = 87,871.00

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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.