Home / 179,019.47-268,529.21-85,240.91

Finding the Fourth Proportional to 179,019.47, 268,529.21 and 85,240.91

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Solution

The fourth proportional to 179,019.47, 268,529.21 and 85,240.91 is: 127,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,019.47 : 268,529.21 = 85,240.91 : x
  2. Step 2: Convert to fraction form
    179,019.47/268,529.21 = 85,240.91/x
  3. Step 3: Cross multiply
    179,019.47x = 268,529.21 × 85,240.91
  4. Step 4: Simplify right side
    179,019.47x = 22,889,672,453.13
  5. Step 5: Solve for x
    x = 22,889,672,453.13/179,019.47
  6. Step 6: Final answer
    x = 127,861.36

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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.