Home / 141,311.06-195,008.56-76,779.87

Finding the Fourth Proportional to 141,311.06, 195,008.56 and 76,779.87

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Solution

The fourth proportional to 141,311.06, 195,008.56 and 76,779.87 is: 105,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,311.06 : 195,008.56 = 76,779.87 : x
  2. Step 2: Convert to fraction form
    141,311.06/195,008.56 = 76,779.87/x
  3. Step 3: Cross multiply
    141,311.06x = 195,008.56 × 76,779.87
  4. Step 4: Simplify right side
    141,311.06x = 14,972,731,885.69
  5. Step 5: Solve for x
    x = 14,972,731,885.69/141,311.06
  6. Step 6: Final answer
    x = 105,955.84

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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.