Home / 140,961.06-211,437.54-52,212.60

Finding the Fourth Proportional to 140,961.06, 211,437.54 and 52,212.60

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Solution

The fourth proportional to 140,961.06, 211,437.54 and 52,212.60 is: 78,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,961.06 : 211,437.54 = 52,212.60 : x
  2. Step 2: Convert to fraction form
    140,961.06/211,437.54 = 52,212.60/x
  3. Step 3: Cross multiply
    140,961.06x = 211,437.54 × 52,212.60
  4. Step 4: Simplify right side
    140,961.06x = 11,039,703,701.00
  5. Step 5: Solve for x
    x = 11,039,703,701.00/140,961.06
  6. Step 6: Final answer
    x = 78,317.40

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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.