Home / 136,464.74-188,335.19-76,045.22

Finding the Fourth Proportional to 136,464.74, 188,335.19 and 76,045.22

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Solution

The fourth proportional to 136,464.74, 188,335.19 and 76,045.22 is: 104,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,464.74 : 188,335.19 = 76,045.22 : x
  2. Step 2: Convert to fraction form
    136,464.74/188,335.19 = 76,045.22/x
  3. Step 3: Cross multiply
    136,464.74x = 188,335.19 × 76,045.22
  4. Step 4: Simplify right side
    136,464.74x = 14,321,990,957.29
  5. Step 5: Solve for x
    x = 14,321,990,957.29/136,464.74
  6. Step 6: Final answer
    x = 104,950.12

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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.