Home / 181,007.28-249,786.21-100,433.07

Finding the Fourth Proportional to 181,007.28, 249,786.21 and 100,433.07

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Solution

The fourth proportional to 181,007.28, 249,786.21 and 100,433.07 is: 138,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,007.28 : 249,786.21 = 100,433.07 : x
  2. Step 2: Convert to fraction form
    181,007.28/249,786.21 = 100,433.07/x
  3. Step 3: Cross multiply
    181,007.28x = 249,786.21 × 100,433.07
  4. Step 4: Simplify right side
    181,007.28x = 25,086,795,913.96
  5. Step 5: Solve for x
    x = 25,086,795,913.96/181,007.28
  6. Step 6: Final answer
    x = 138,595.51

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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.