Home / 189,283.20-261,218.52-104,405.64

Finding the Fourth Proportional to 189,283.20, 261,218.52 and 104,405.64

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Solution

The fourth proportional to 189,283.20, 261,218.52 and 104,405.64 is: 144,084.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,283.20 : 261,218.52 = 104,405.64 : x
  2. Step 2: Convert to fraction form
    189,283.20/261,218.52 = 104,405.64/x
  3. Step 3: Cross multiply
    189,283.20x = 261,218.52 × 104,405.64
  4. Step 4: Simplify right side
    189,283.20x = 27,272,686,760.45
  5. Step 5: Solve for x
    x = 27,272,686,760.45/189,283.20
  6. Step 6: Final answer
    x = 144,084.03

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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.