Home / 140,913.14-211,258.46-69,860.21

Finding the Fourth Proportional to 140,913.14, 211,258.46 and 69,860.21

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Solution

The fourth proportional to 140,913.14, 211,258.46 and 69,860.21 is: 104,735.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,913.14 : 211,258.46 = 69,860.21 : x
  2. Step 2: Convert to fraction form
    140,913.14/211,258.46 = 69,860.21/x
  3. Step 3: Cross multiply
    140,913.14x = 211,258.46 × 69,860.21
  4. Step 4: Simplify right side
    140,913.14x = 14,758,559,498.23
  5. Step 5: Solve for x
    x = 14,758,559,498.23/140,913.14
  6. Step 6: Final answer
    x = 104,735.16

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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.