Home / 143,549.26-215,323.97-64,571.23

Finding the Fourth Proportional to 143,549.26, 215,323.97 and 64,571.23

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Solution

The fourth proportional to 143,549.26, 215,323.97 and 64,571.23 is: 96,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,549.26 : 215,323.97 = 64,571.23 : x
  2. Step 2: Convert to fraction form
    143,549.26/215,323.97 = 64,571.23/x
  3. Step 3: Cross multiply
    143,549.26x = 215,323.97 × 64,571.23
  4. Step 4: Simplify right side
    143,549.26x = 13,903,732,689.70
  5. Step 5: Solve for x
    x = 13,903,732,689.70/143,549.26
  6. Step 6: Final answer
    x = 96,856.87

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1.5x scale

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.