Home / 140,584.20-210,876.30-47,089.95

Finding the Fourth Proportional to 140,584.20, 210,876.30 and 47,089.95

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Solution

The fourth proportional to 140,584.20, 210,876.30 and 47,089.95 is: 70,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,584.20 : 210,876.30 = 47,089.95 : x
  2. Step 2: Convert to fraction form
    140,584.20/210,876.30 = 47,089.95/x
  3. Step 3: Cross multiply
    140,584.20x = 210,876.30 × 47,089.95
  4. Step 4: Simplify right side
    140,584.20x = 9,930,154,423.19
  5. Step 5: Solve for x
    x = 9,930,154,423.19/140,584.20
  6. Step 6: Final answer
    x = 70,634.93

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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.