Home / 140,949.16-211,412.71-39,743.13

Finding the Fourth Proportional to 140,949.16, 211,412.71 and 39,743.13

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Solution

The fourth proportional to 140,949.16, 211,412.71 and 39,743.13 is: 59,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,949.16 : 211,412.71 = 39,743.13 : x
  2. Step 2: Convert to fraction form
    140,949.16/211,412.71 = 39,743.13/x
  3. Step 3: Cross multiply
    140,949.16x = 211,412.71 × 39,743.13
  4. Step 4: Simplify right side
    140,949.16x = 8,402,201,760.12
  5. Step 5: Solve for x
    x = 8,402,201,760.12/140,949.16
  6. Step 6: Final answer
    x = 59,611.58

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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.