Home / 142,829.96-214,269.24-49,313.84

Finding the Fourth Proportional to 142,829.96, 214,269.24 and 49,313.84

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Solution

The fourth proportional to 142,829.96, 214,269.24 and 49,313.84 is: 73,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,829.96 : 214,269.24 = 49,313.84 : x
  2. Step 2: Convert to fraction form
    142,829.96/214,269.24 = 49,313.84/x
  3. Step 3: Cross multiply
    142,829.96x = 214,269.24 × 49,313.84
  4. Step 4: Simplify right side
    142,829.96x = 10,566,439,018.28
  5. Step 5: Solve for x
    x = 10,566,439,018.28/142,829.96
  6. Step 6: Final answer
    x = 73,979.15

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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.