Home / 199,970.48-275,966.01-109,324.64

Finding the Fourth Proportional to 199,970.48, 275,966.01 and 109,324.64

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Solution

The fourth proportional to 199,970.48, 275,966.01 and 109,324.64 is: 150,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,970.48 : 275,966.01 = 109,324.64 : x
  2. Step 2: Convert to fraction form
    199,970.48/275,966.01 = 109,324.64/x
  3. Step 3: Cross multiply
    199,970.48x = 275,966.01 × 109,324.64
  4. Step 4: Simplify right side
    199,970.48x = 30,169,884,695.49
  5. Step 5: Solve for x
    x = 30,169,884,695.49/199,970.48
  6. Step 6: Final answer
    x = 150,871.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.