Home / 124,150.72-186,113.12-45,246.96

Finding the Fourth Proportional to 124,150.72, 186,113.12 and 45,246.96

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Solution

The fourth proportional to 124,150.72, 186,113.12 and 45,246.96 is: 67,829.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,150.72 : 186,113.12 = 45,246.96 : x
  2. Step 2: Convert to fraction form
    124,150.72/186,113.12 = 45,246.96/x
  3. Step 3: Cross multiply
    124,150.72x = 186,113.12 × 45,246.96
  4. Step 4: Simplify right side
    124,150.72x = 8,421,052,896.12
  5. Step 5: Solve for x
    x = 8,421,052,896.12/124,150.72
  6. Step 6: Final answer
    x = 67,829.27

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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.