Home / 305,390.46-458,154.06-92,162.10

Finding the Fourth Proportional to 305,390.46, 458,154.06 and 92,162.10

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Solution

The fourth proportional to 305,390.46, 458,154.06 and 92,162.10 is: 138,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,390.46 : 458,154.06 = 92,162.10 : x
  2. Step 2: Convert to fraction form
    305,390.46/458,154.06 = 92,162.10/x
  3. Step 3: Cross multiply
    305,390.46x = 458,154.06 × 92,162.10
  4. Step 4: Simplify right side
    305,390.46x = 42,224,440,293.13
  5. Step 5: Solve for x
    x = 42,224,440,293.13/305,390.46
  6. Step 6: Final answer
    x = 138,263.78

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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.