Home / 208,335.11-312,521.12-58,576.71

Finding the Fourth Proportional to 208,335.11, 312,521.12 and 58,576.71

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Solution

The fourth proportional to 208,335.11, 312,521.12 and 58,576.71 is: 87,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,335.11 : 312,521.12 = 58,576.71 : x
  2. Step 2: Convert to fraction form
    208,335.11/312,521.12 = 58,576.71/x
  3. Step 3: Cross multiply
    208,335.11x = 312,521.12 × 58,576.71
  4. Step 4: Simplify right side
    208,335.11x = 18,306,459,015.12
  5. Step 5: Solve for x
    x = 18,306,459,015.12/208,335.11
  6. Step 6: Final answer
    x = 87,870.25

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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.