Home / 178,855.71-246,574.25-142,679.94

Finding the Fourth Proportional to 178,855.71, 246,574.25 and 142,679.94

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Solution

The fourth proportional to 178,855.71, 246,574.25 and 142,679.94 is: 196,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,855.71 : 246,574.25 = 142,679.94 : x
  2. Step 2: Convert to fraction form
    178,855.71/246,574.25 = 142,679.94/x
  3. Step 3: Cross multiply
    178,855.71x = 246,574.25 × 142,679.94
  4. Step 4: Simplify right side
    178,855.71x = 35,181,199,118.65
  5. Step 5: Solve for x
    x = 35,181,199,118.65/178,855.71
  6. Step 6: Final answer
    x = 196,701.57

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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.