Home / 191,135.61-263,773.91-105,101.14

Finding the Fourth Proportional to 191,135.61, 263,773.91 and 105,101.14

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Solution

The fourth proportional to 191,135.61, 263,773.91 and 105,101.14 is: 145,043.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,135.61 : 263,773.91 = 105,101.14 : x
  2. Step 2: Convert to fraction form
    191,135.61/263,773.91 = 105,101.14/x
  3. Step 3: Cross multiply
    191,135.61x = 263,773.91 × 105,101.14
  4. Step 4: Simplify right side
    191,135.61x = 27,722,938,643.26
  5. Step 5: Solve for x
    x = 27,722,938,643.26/191,135.61
  6. Step 6: Final answer
    x = 145,043.29

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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.