Home / 135,418.04-186,876.40-75,802.04

Finding the Fourth Proportional to 135,418.04, 186,876.40 and 75,802.04

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Solution

The fourth proportional to 135,418.04, 186,876.40 and 75,802.04 is: 104,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,418.04 : 186,876.40 = 75,802.04 : x
  2. Step 2: Convert to fraction form
    135,418.04/186,876.40 = 75,802.04/x
  3. Step 3: Cross multiply
    135,418.04x = 186,876.40 × 75,802.04
  4. Step 4: Simplify right side
    135,418.04x = 14,165,612,347.86
  5. Step 5: Solve for x
    x = 14,165,612,347.86/135,418.04
  6. Step 6: Final answer
    x = 104,606.54

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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.