Home / 186,271.07-279,448.28-67,942.42

Finding the Fourth Proportional to 186,271.07, 279,448.28 and 67,942.42

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Solution

The fourth proportional to 186,271.07, 279,448.28 and 67,942.42 is: 101,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,271.07 : 279,448.28 = 67,942.42 : x
  2. Step 2: Convert to fraction form
    186,271.07/279,448.28 = 67,942.42/x
  3. Step 3: Cross multiply
    186,271.07x = 279,448.28 × 67,942.42
  4. Step 4: Simplify right side
    186,271.07x = 18,986,390,671.08
  5. Step 5: Solve for x
    x = 18,986,390,671.08/186,271.07
  6. Step 6: Final answer
    x = 101,928.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.