Home / 305,741.23-458,693.17-106,061.30

Finding the Fourth Proportional to 305,741.23, 458,693.17 and 106,061.30

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Solution

The fourth proportional to 305,741.23, 458,693.17 and 106,061.30 is: 159,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,741.23 : 458,693.17 = 106,061.30 : x
  2. Step 2: Convert to fraction form
    305,741.23/458,693.17 = 106,061.30/x
  3. Step 3: Cross multiply
    305,741.23x = 458,693.17 × 106,061.30
  4. Step 4: Simplify right side
    305,741.23x = 48,649,593,911.32
  5. Step 5: Solve for x
    x = 48,649,593,911.32/305,741.23
  6. Step 6: Final answer
    x = 159,120.16

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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.