Home / 251,624.36-347,251.18-144,215.12

Finding the Fourth Proportional to 251,624.36, 347,251.18 and 144,215.12

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Solution

The fourth proportional to 251,624.36, 347,251.18 and 144,215.12 is: 199,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,624.36 : 347,251.18 = 144,215.12 : x
  2. Step 2: Convert to fraction form
    251,624.36/347,251.18 = 144,215.12/x
  3. Step 3: Cross multiply
    251,624.36x = 347,251.18 × 144,215.12
  4. Step 4: Simplify right side
    251,624.36x = 50,078,871,101.43
  5. Step 5: Solve for x
    x = 50,078,871,101.43/251,624.36
  6. Step 6: Final answer
    x = 199,022.35

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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.