Home / 140,678.74-211,049.71-47,182.10

Finding the Fourth Proportional to 140,678.74, 211,049.71 and 47,182.10

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Solution

The fourth proportional to 140,678.74, 211,049.71 and 47,182.10 is: 70,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,678.74 : 211,049.71 = 47,182.10 : x
  2. Step 2: Convert to fraction form
    140,678.74/211,049.71 = 47,182.10/x
  3. Step 3: Cross multiply
    140,678.74x = 211,049.71 × 47,182.10
  4. Step 4: Simplify right side
    140,678.74x = 9,957,768,522.19
  5. Step 5: Solve for x
    x = 9,957,768,522.19/140,678.74
  6. Step 6: Final answer
    x = 70,783.75

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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.