Home / 152,787.58-210,842.83-84,804.38

Finding the Fourth Proportional to 152,787.58, 210,842.83 and 84,804.38

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Solution

The fourth proportional to 152,787.58, 210,842.83 and 84,804.38 is: 117,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,787.58 : 210,842.83 = 84,804.38 : x
  2. Step 2: Convert to fraction form
    152,787.58/210,842.83 = 84,804.38/x
  3. Step 3: Cross multiply
    152,787.58x = 210,842.83 × 84,804.38
  4. Step 4: Simplify right side
    152,787.58x = 17,880,395,475.60
  5. Step 5: Solve for x
    x = 17,880,395,475.60/152,787.58
  6. Step 6: Final answer
    x = 117,027.81

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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.