Home / 136,261.61-188,049.86-75,832.07

Finding the Fourth Proportional to 136,261.61, 188,049.86 and 75,832.07

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Solution

The fourth proportional to 136,261.61, 188,049.86 and 75,832.07 is: 104,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,261.61 : 188,049.86 = 75,832.07 : x
  2. Step 2: Convert to fraction form
    136,261.61/188,049.86 = 75,832.07/x
  3. Step 3: Cross multiply
    136,261.61x = 188,049.86 × 75,832.07
  4. Step 4: Simplify right side
    136,261.61x = 14,260,210,806.72
  5. Step 5: Solve for x
    x = 14,260,210,806.72/136,261.61
  6. Step 6: Final answer
    x = 104,653.18

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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.