Home / 143,011.68-214,385.07-53,004.27

Finding the Fourth Proportional to 143,011.68, 214,385.07 and 53,004.27

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Solution

The fourth proportional to 143,011.68, 214,385.07 and 53,004.27 is: 79,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,011.68 : 214,385.07 = 53,004.27 : x
  2. Step 2: Convert to fraction form
    143,011.68/214,385.07 = 53,004.27/x
  3. Step 3: Cross multiply
    143,011.68x = 214,385.07 × 53,004.27
  4. Step 4: Simplify right side
    143,011.68x = 11,363,324,134.25
  5. Step 5: Solve for x
    x = 11,363,324,134.25/143,011.68
  6. Step 6: Final answer
    x = 79,457.32

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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.