Home / 277,682.02-416,539.16-78,017.96

Finding the Fourth Proportional to 277,682.02, 416,539.16 and 78,017.96

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Solution

The fourth proportional to 277,682.02, 416,539.16 and 78,017.96 is: 117,031.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,682.02 : 416,539.16 = 78,017.96 : x
  2. Step 2: Convert to fraction form
    277,682.02/416,539.16 = 78,017.96/x
  3. Step 3: Cross multiply
    277,682.02x = 416,539.16 × 78,017.96
  4. Step 4: Simplify right side
    277,682.02x = 32,497,535,523.31
  5. Step 5: Solve for x
    x = 32,497,535,523.31/277,682.02
  6. Step 6: Final answer
    x = 117,031.47

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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.