Home / 140,888.54-211,365.20-46,121.78

Finding the Fourth Proportional to 140,888.54, 211,365.20 and 46,121.78

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Solution

The fourth proportional to 140,888.54, 211,365.20 and 46,121.78 is: 69,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,888.54 : 211,365.20 = 46,121.78 : x
  2. Step 2: Convert to fraction form
    140,888.54/211,365.20 = 46,121.78/x
  3. Step 3: Cross multiply
    140,888.54x = 211,365.20 × 46,121.78
  4. Step 4: Simplify right side
    140,888.54x = 9,748,538,312.53
  5. Step 5: Solve for x
    x = 9,748,538,312.53/140,888.54
  6. Step 6: Final answer
    x = 69,193.27

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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.