Home / 255,007.02-382,554.26-77,531.96

Finding the Fourth Proportional to 255,007.02, 382,554.26 and 77,531.96

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Solution

The fourth proportional to 255,007.02, 382,554.26 and 77,531.96 is: 116,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,007.02 : 382,554.26 = 77,531.96 : x
  2. Step 2: Convert to fraction form
    255,007.02/382,554.26 = 77,531.96/x
  3. Step 3: Cross multiply
    255,007.02x = 382,554.26 × 77,531.96
  4. Step 4: Simplify right side
    255,007.02x = 29,660,181,584.15
  5. Step 5: Solve for x
    x = 29,660,181,584.15/255,007.02
  6. Step 6: Final answer
    x = 116,311.24

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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.