Home / 191,692.09-264,536.13-111,167.36

Finding the Fourth Proportional to 191,692.09, 264,536.13 and 111,167.36

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Solution

The fourth proportional to 191,692.09, 264,536.13 and 111,167.36 is: 153,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,692.09 : 264,536.13 = 111,167.36 : x
  2. Step 2: Convert to fraction form
    191,692.09/264,536.13 = 111,167.36/x
  3. Step 3: Cross multiply
    191,692.09x = 264,536.13 × 111,167.36
  4. Step 4: Simplify right side
    191,692.09x = 29,407,781,874.04
  5. Step 5: Solve for x
    x = 29,407,781,874.04/191,692.09
  6. Step 6: Final answer
    x = 153,411.56

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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.