Home / 208,335.61-312,521.87-58,577.21

Finding the Fourth Proportional to 208,335.61, 312,521.87 and 58,577.21

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Solution

The fourth proportional to 208,335.61, 312,521.87 and 58,577.21 is: 87,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,335.61 : 312,521.87 = 58,577.21 : x
  2. Step 2: Convert to fraction form
    208,335.61/312,521.87 = 58,577.21/x
  3. Step 3: Cross multiply
    208,335.61x = 312,521.87 × 58,577.21
  4. Step 4: Simplify right side
    208,335.61x = 18,306,659,208.58
  5. Step 5: Solve for x
    x = 18,306,659,208.58/208,335.61
  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.