Home / 136,004.76-187,680.06-75,579.48

Finding the Fourth Proportional to 136,004.76, 187,680.06 and 75,579.48

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Solution

The fourth proportional to 136,004.76, 187,680.06 and 75,579.48 is: 104,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,004.76 : 187,680.06 = 75,579.48 : x
  2. Step 2: Convert to fraction form
    136,004.76/187,680.06 = 75,579.48/x
  3. Step 3: Cross multiply
    136,004.76x = 187,680.06 × 75,579.48
  4. Step 4: Simplify right side
    136,004.76x = 14,184,761,341.17
  5. Step 5: Solve for x
    x = 14,184,761,341.17/136,004.76
  6. Step 6: Final answer
    x = 104,296.07

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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.