Home / 132,114.94-182,470.04-86,994.62

Finding the Fourth Proportional to 132,114.94, 182,470.04 and 86,994.62

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Solution

The fourth proportional to 132,114.94, 182,470.04 and 86,994.62 is: 120,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,114.94 : 182,470.04 = 86,994.62 : x
  2. Step 2: Convert to fraction form
    132,114.94/182,470.04 = 86,994.62/x
  3. Step 3: Cross multiply
    132,114.94x = 182,470.04 × 86,994.62
  4. Step 4: Simplify right side
    132,114.94x = 15,873,911,791.18
  5. Step 5: Solve for x
    x = 15,873,911,791.18/132,114.94
  6. Step 6: Final answer
    x = 120,152.28

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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.