Home / 136,653.83-188,582.58-76,222.92

Finding the Fourth Proportional to 136,653.83, 188,582.58 and 76,222.92

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Solution

The fourth proportional to 136,653.83, 188,582.58 and 76,222.92 is: 105,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,653.83 : 188,582.58 = 76,222.92 : x
  2. Step 2: Convert to fraction form
    136,653.83/188,582.58 = 76,222.92/x
  3. Step 3: Cross multiply
    136,653.83x = 188,582.58 × 76,222.92
  4. Step 4: Simplify right side
    136,653.83x = 14,374,314,908.73
  5. Step 5: Solve for x
    x = 14,374,314,908.73/136,653.83
  6. Step 6: Final answer
    x = 105,187.80

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1.5x scale

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.