Home / 146,187.38-219,190.86-57,400.65

Finding the Fourth Proportional to 146,187.38, 219,190.86 and 57,400.65

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Solution

The fourth proportional to 146,187.38, 219,190.86 and 57,400.65 is: 86,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,187.38 : 219,190.86 = 57,400.65 : x
  2. Step 2: Convert to fraction form
    146,187.38/219,190.86 = 57,400.65/x
  3. Step 3: Cross multiply
    146,187.38x = 219,190.86 × 57,400.65
  4. Step 4: Simplify right side
    146,187.38x = 12,581,697,838.06
  5. Step 5: Solve for x
    x = 12,581,697,838.06/146,187.38
  6. Step 6: Final answer
    x = 86,065.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.