Home / 262,315.32-393,124.68-104,457.12

Finding the Fourth Proportional to 262,315.32, 393,124.68 and 104,457.12

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Solution

The fourth proportional to 262,315.32, 393,124.68 and 104,457.12 is: 156,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,315.32 : 393,124.68 = 104,457.12 : x
  2. Step 2: Convert to fraction form
    262,315.32/393,124.68 = 104,457.12/x
  3. Step 3: Cross multiply
    262,315.32x = 393,124.68 × 104,457.12
  4. Step 4: Simplify right side
    262,315.32x = 41,064,671,873.72
  5. Step 5: Solve for x
    x = 41,064,671,873.72/262,315.32
  6. Step 6: Final answer
    x = 156,546.98

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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.