Home / 118,056.29-162,912.94-64,340.16

Finding the Fourth Proportional to 118,056.29, 162,912.94 and 64,340.16

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Solution

The fourth proportional to 118,056.29, 162,912.94 and 64,340.16 is: 88,786.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,056.29 : 162,912.94 = 64,340.16 : x
  2. Step 2: Convert to fraction form
    118,056.29/162,912.94 = 64,340.16/x
  3. Step 3: Cross multiply
    118,056.29x = 162,912.94 × 64,340.16
  4. Step 4: Simplify right side
    118,056.29x = 10,481,843,489.40
  5. Step 5: Solve for x
    x = 10,481,843,489.40/118,056.29
  6. Step 6: Final answer
    x = 88,786.83

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1.5x scale

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.