Home / 140,705.46-211,040.37-39,512.70

Finding the Fourth Proportional to 140,705.46, 211,040.37 and 39,512.70

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Solution

The fourth proportional to 140,705.46, 211,040.37 and 39,512.70 is: 59,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,705.46 : 211,040.37 = 39,512.70 : x
  2. Step 2: Convert to fraction form
    140,705.46/211,040.37 = 39,512.70/x
  3. Step 3: Cross multiply
    140,705.46x = 211,040.37 × 39,512.70
  4. Step 4: Simplify right side
    140,705.46x = 8,338,774,827.70
  5. Step 5: Solve for x
    x = 8,338,774,827.70/140,705.46
  6. Step 6: Final answer
    x = 59,264.05

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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.