Home / 119,408.10-164,779.02-65,692.56

Finding the Fourth Proportional to 119,408.10, 164,779.02 and 65,692.56

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Solution

The fourth proportional to 119,408.10, 164,779.02 and 65,692.56 is: 90,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,408.10 : 164,779.02 = 65,692.56 : x
  2. Step 2: Convert to fraction form
    119,408.10/164,779.02 = 65,692.56/x
  3. Step 3: Cross multiply
    119,408.10x = 164,779.02 × 65,692.56
  4. Step 4: Simplify right side
    119,408.10x = 10,824,755,658.09
  5. Step 5: Solve for x
    x = 10,824,755,658.09/119,408.10
  6. Step 6: Final answer
    x = 90,653.45

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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.