Home / 192,875.40-289,313.10-162,462.60

Finding the Fourth Proportional to 192,875.40, 289,313.10 and 162,462.60

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Solution

The fourth proportional to 192,875.40, 289,313.10 and 162,462.60 is: 243,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,875.40 : 289,313.10 = 162,462.60 : x
  2. Step 2: Convert to fraction form
    192,875.40/289,313.10 = 162,462.60/x
  3. Step 3: Cross multiply
    192,875.40x = 289,313.10 × 162,462.60
  4. Step 4: Simplify right side
    192,875.40x = 47,002,558,440.06
  5. Step 5: Solve for x
    x = 47,002,558,440.06/192,875.40
  6. Step 6: Final answer
    x = 243,693.90

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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.