Home / 143,250.39-197,679.69-79,592.22

Finding the Fourth Proportional to 143,250.39, 197,679.69 and 79,592.22

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Solution

The fourth proportional to 143,250.39, 197,679.69 and 79,592.22 is: 109,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,250.39 : 197,679.69 = 79,592.22 : x
  2. Step 2: Convert to fraction form
    143,250.39/197,679.69 = 79,592.22/x
  3. Step 3: Cross multiply
    143,250.39x = 197,679.69 × 79,592.22
  4. Step 4: Simplify right side
    143,250.39x = 15,733,765,376.01
  5. Step 5: Solve for x
    x = 15,733,765,376.01/143,250.39
  6. Step 6: Final answer
    x = 109,834.01

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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.