Home / 140,899.55-194,443.74-76,370.83

Finding the Fourth Proportional to 140,899.55, 194,443.74 and 76,370.83

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Solution

The fourth proportional to 140,899.55, 194,443.74 and 76,370.83 is: 105,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,899.55 : 194,443.74 = 76,370.83 : x
  2. Step 2: Convert to fraction form
    140,899.55/194,443.74 = 76,370.83/x
  3. Step 3: Cross multiply
    140,899.55x = 194,443.74 × 76,370.83
  4. Step 4: Simplify right side
    140,899.55x = 14,849,829,325.99
  5. Step 5: Solve for x
    x = 14,849,829,325.99/140,899.55
  6. Step 6: Final answer
    x = 105,393.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.