Home / 370,984.79-556,521.75-131,049.42

Finding the Fourth Proportional to 370,984.79, 556,521.75 and 131,049.42

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Solution

The fourth proportional to 370,984.79, 556,521.75 and 131,049.42 is: 196,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,984.79 : 556,521.75 = 131,049.42 : x
  2. Step 2: Convert to fraction form
    370,984.79/556,521.75 = 131,049.42/x
  3. Step 3: Cross multiply
    370,984.79x = 556,521.75 × 131,049.42
  4. Step 4: Simplify right side
    370,984.79x = 72,931,852,554.89
  5. Step 5: Solve for x
    x = 72,931,852,554.89/370,984.79
  6. Step 6: Final answer
    x = 196,589.87

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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.