Home / 140,784.54-211,007.90-98,433.70

Finding the Fourth Proportional to 140,784.54, 211,007.90 and 98,433.70

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Solution

The fourth proportional to 140,784.54, 211,007.90 and 98,433.70 is: 147,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,784.54 : 211,007.90 = 98,433.70 : x
  2. Step 2: Convert to fraction form
    140,784.54/211,007.90 = 98,433.70/x
  3. Step 3: Cross multiply
    140,784.54x = 211,007.90 × 98,433.70
  4. Step 4: Simplify right side
    140,784.54x = 20,770,288,326.23
  5. Step 5: Solve for x
    x = 20,770,288,326.23/140,784.54
  6. Step 6: Final answer
    x = 147,532.45

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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.