Home / 170,112.17-255,205.16-51,780.44

Finding the Fourth Proportional to 170,112.17, 255,205.16 and 51,780.44

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Solution

The fourth proportional to 170,112.17, 255,205.16 and 51,780.44 is: 77,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,112.17 : 255,205.16 = 51,780.44 : x
  2. Step 2: Convert to fraction form
    170,112.17/255,205.16 = 51,780.44/x
  3. Step 3: Cross multiply
    170,112.17x = 255,205.16 × 51,780.44
  4. Step 4: Simplify right side
    170,112.17x = 13,214,634,134.32
  5. Step 5: Solve for x
    x = 13,214,634,134.32/170,112.17
  6. Step 6: Final answer
    x = 77,681.88

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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.