Home / 456,440.92-684,723.66-190,139.15

Finding the Fourth Proportional to 456,440.92, 684,723.66 and 190,139.15

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Solution

The fourth proportional to 456,440.92, 684,723.66 and 190,139.15 is: 285,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,440.92 : 684,723.66 = 190,139.15 : x
  2. Step 2: Convert to fraction form
    456,440.92/684,723.66 = 190,139.15/x
  3. Step 3: Cross multiply
    456,440.92x = 684,723.66 × 190,139.15
  4. Step 4: Simplify right side
    456,440.92x = 130,192,776,409.10
  5. Step 5: Solve for x
    x = 130,192,776,409.10/456,440.92
  6. Step 6: Final answer
    x = 285,234.67

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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.