Home / 191,581.88-264,493.05-127,138.51

Finding the Fourth Proportional to 191,581.88, 264,493.05 and 127,138.51

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Solution

The fourth proportional to 191,581.88, 264,493.05 and 127,138.51 is: 175,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,581.88 : 264,493.05 = 127,138.51 : x
  2. Step 2: Convert to fraction form
    191,581.88/264,493.05 = 127,138.51/x
  3. Step 3: Cross multiply
    191,581.88x = 264,493.05 × 127,138.51
  4. Step 4: Simplify right side
    191,581.88x = 33,627,252,136.20
  5. Step 5: Solve for x
    x = 33,627,252,136.20/191,581.88
  6. Step 6: Final answer
    x = 175,524.18

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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.