Home / 189,923.96-261,921.66-163,057.88

Finding the Fourth Proportional to 189,923.96, 261,921.66 and 163,057.88

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Solution

The fourth proportional to 189,923.96, 261,921.66 and 163,057.88 is: 224,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,923.96 : 261,921.66 = 163,057.88 : x
  2. Step 2: Convert to fraction form
    189,923.96/261,921.66 = 163,057.88/x
  3. Step 3: Cross multiply
    189,923.96x = 261,921.66 × 163,057.88
  4. Step 4: Simplify right side
    189,923.96x = 42,708,390,605.68
  5. Step 5: Solve for x
    x = 42,708,390,605.68/189,923.96
  6. Step 6: Final answer
    x = 224,871.00

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1.5x scale

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.