Home / 140,862.20-211,811.70-118,052.60

Finding the Fourth Proportional to 140,862.20, 211,811.70 and 118,052.60

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Solution

The fourth proportional to 140,862.20, 211,811.70 and 118,052.60 is: 177,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,862.20 : 211,811.70 = 118,052.60 : x
  2. Step 2: Convert to fraction form
    140,862.20/211,811.70 = 118,052.60/x
  3. Step 3: Cross multiply
    140,862.20x = 211,811.70 × 118,052.60
  4. Step 4: Simplify right side
    140,862.20x = 25,004,921,895.42
  5. Step 5: Solve for x
    x = 25,004,921,895.42/140,862.20
  6. Step 6: Final answer
    x = 177,513.36

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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.