Home / 188,549.86-260,572.10-154,504.65

Finding the Fourth Proportional to 188,549.86, 260,572.10 and 154,504.65

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Solution

The fourth proportional to 188,549.86, 260,572.10 and 154,504.65 is: 213,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,549.86 : 260,572.10 = 154,504.65 : x
  2. Step 2: Convert to fraction form
    188,549.86/260,572.10 = 154,504.65/x
  3. Step 3: Cross multiply
    188,549.86x = 260,572.10 × 154,504.65
  4. Step 4: Simplify right side
    188,549.86x = 40,259,601,110.27
  5. Step 5: Solve for x
    x = 40,259,601,110.27/188,549.86
  6. Step 6: Final answer
    x = 213,522.31

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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.