Home / 140,733.18-211,131.36-47,236.50

Finding the Fourth Proportional to 140,733.18, 211,131.36 and 47,236.50

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Solution

The fourth proportional to 140,733.18, 211,131.36 and 47,236.50 is: 70,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,733.18 : 211,131.36 = 47,236.50 : x
  2. Step 2: Convert to fraction form
    140,733.18/211,131.36 = 47,236.50/x
  3. Step 3: Cross multiply
    140,733.18x = 211,131.36 × 47,236.50
  4. Step 4: Simplify right side
    140,733.18x = 9,973,106,486.64
  5. Step 5: Solve for x
    x = 9,973,106,486.64/140,733.18
  6. Step 6: Final answer
    x = 70,865.35

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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.