Home / 255,836.16-383,521.92-89,533.44

Finding the Fourth Proportional to 255,836.16, 383,521.92 and 89,533.44

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Solution

The fourth proportional to 255,836.16, 383,521.92 and 89,533.44 is: 134,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,836.16 : 383,521.92 = 89,533.44 : x
  2. Step 2: Convert to fraction form
    255,836.16/383,521.92 = 89,533.44/x
  3. Step 3: Cross multiply
    255,836.16x = 383,521.92 × 89,533.44
  4. Step 4: Simplify right side
    255,836.16x = 34,338,036,813.00
  5. Step 5: Solve for x
    x = 34,338,036,813.00/255,836.16
  6. Step 6: Final answer
    x = 134,218.86

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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.