Home / 140,738.95-211,122.29-40,900.02

Finding the Fourth Proportional to 140,738.95, 211,122.29 and 40,900.02

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Solution

The fourth proportional to 140,738.95, 211,122.29 and 40,900.02 is: 61,354.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,738.95 : 211,122.29 = 40,900.02 : x
  2. Step 2: Convert to fraction form
    140,738.95/211,122.29 = 40,900.02/x
  3. Step 3: Cross multiply
    140,738.95x = 211,122.29 × 40,900.02
  4. Step 4: Simplify right side
    140,738.95x = 8,634,905,883.45
  5. Step 5: Solve for x
    x = 8,634,905,883.45/140,738.95
  6. Step 6: Final answer
    x = 61,354.06

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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.