Home / 353,521.27-487,870.34-200,565.91

Finding the Fourth Proportional to 353,521.27, 487,870.34 and 200,565.91

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Solution

The fourth proportional to 353,521.27, 487,870.34 and 200,565.91 is: 276,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,521.27 : 487,870.34 = 200,565.91 : x
  2. Step 2: Convert to fraction form
    353,521.27/487,870.34 = 200,565.91/x
  3. Step 3: Cross multiply
    353,521.27x = 487,870.34 × 200,565.91
  4. Step 4: Simplify right side
    353,521.27x = 97,850,158,704.11
  5. Step 5: Solve for x
    x = 97,850,158,704.11/353,521.27
  6. Step 6: Final answer
    x = 276,787.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.