Home / 208,171.48-312,221.70-75,025.24

Finding the Fourth Proportional to 208,171.48, 312,221.70 and 75,025.24

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Solution

The fourth proportional to 208,171.48, 312,221.70 and 75,025.24 is: 112,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,171.48 : 312,221.70 = 75,025.24 : x
  2. Step 2: Convert to fraction form
    208,171.48/312,221.70 = 75,025.24/x
  3. Step 3: Cross multiply
    208,171.48x = 312,221.70 × 75,025.24
  4. Step 4: Simplify right side
    208,171.48x = 23,424,507,975.71
  5. Step 5: Solve for x
    x = 23,424,507,975.71/208,171.48
  6. Step 6: Final answer
    x = 112,525.06

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1.5x scale

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.