Home / 131,942.57-182,089.98-74,582.35

Finding the Fourth Proportional to 131,942.57, 182,089.98 and 74,582.35

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Solution

The fourth proportional to 131,942.57, 182,089.98 and 74,582.35 is: 102,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,942.57 : 182,089.98 = 74,582.35 : x
  2. Step 2: Convert to fraction form
    131,942.57/182,089.98 = 74,582.35/x
  3. Step 3: Cross multiply
    131,942.57x = 182,089.98 × 74,582.35
  4. Step 4: Simplify right side
    131,942.57x = 13,580,698,164.63
  5. Step 5: Solve for x
    x = 13,580,698,164.63/131,942.57
  6. Step 6: Final answer
    x = 102,928.86

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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.