Home / 136,261.86-188,050.21-75,832.32

Finding the Fourth Proportional to 136,261.86, 188,050.21 and 75,832.32

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Solution

The fourth proportional to 136,261.86, 188,050.21 and 75,832.32 is: 104,653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,261.86 : 188,050.21 = 75,832.32 : x
  2. Step 2: Convert to fraction form
    136,261.86/188,050.21 = 75,832.32/x
  3. Step 3: Cross multiply
    136,261.86x = 188,050.21 × 75,832.32
  4. Step 4: Simplify right side
    136,261.86x = 14,260,283,700.79
  5. Step 5: Solve for x
    x = 14,260,283,700.79/136,261.86
  6. Step 6: Final answer
    x = 104,653.52

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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.