Home / 140,553.37-210,830.05-40,713.60

Finding the Fourth Proportional to 140,553.37, 210,830.05 and 40,713.60

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Solution

The fourth proportional to 140,553.37, 210,830.05 and 40,713.60 is: 61,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,553.37 : 210,830.05 = 40,713.60 : x
  2. Step 2: Convert to fraction form
    140,553.37/210,830.05 = 40,713.60/x
  3. Step 3: Cross multiply
    140,553.37x = 210,830.05 × 40,713.60
  4. Step 4: Simplify right side
    140,553.37x = 8,583,650,120.11
  5. Step 5: Solve for x
    x = 8,583,650,120.11/140,553.37
  6. Step 6: Final answer
    x = 61,070.40

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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.