Home / 132,787.14-199,311.93-70,457.64

Finding the Fourth Proportional to 132,787.14, 199,311.93 and 70,457.64

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Solution

The fourth proportional to 132,787.14, 199,311.93 and 70,457.64 is: 105,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,787.14 : 199,311.93 = 70,457.64 : x
  2. Step 2: Convert to fraction form
    132,787.14/199,311.93 = 70,457.64/x
  3. Step 3: Cross multiply
    132,787.14x = 199,311.93 × 70,457.64
  4. Step 4: Simplify right side
    132,787.14x = 14,043,048,211.65
  5. Step 5: Solve for x
    x = 14,043,048,211.65/132,787.14
  6. Step 6: Final answer
    x = 105,756.09

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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.