Home / 289,932.15-400,119.83-181,100.92

Finding the Fourth Proportional to 289,932.15, 400,119.83 and 181,100.92

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Solution

The fourth proportional to 289,932.15, 400,119.83 and 181,100.92 is: 249,927.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,932.15 : 400,119.83 = 181,100.92 : x
  2. Step 2: Convert to fraction form
    289,932.15/400,119.83 = 181,100.92/x
  3. Step 3: Cross multiply
    289,932.15x = 400,119.83 × 181,100.92
  4. Step 4: Simplify right side
    289,932.15x = 72,462,069,323.24
  5. Step 5: Solve for x
    x = 72,462,069,323.24/289,932.15
  6. Step 6: Final answer
    x = 249,927.68

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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.