Home / 154,550.38-213,282.22-86,566.76

Finding the Fourth Proportional to 154,550.38, 213,282.22 and 86,566.76

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Solution

The fourth proportional to 154,550.38, 213,282.22 and 86,566.76 is: 119,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,550.38 : 213,282.22 = 86,566.76 : x
  2. Step 2: Convert to fraction form
    154,550.38/213,282.22 = 86,566.76/x
  3. Step 3: Cross multiply
    154,550.38x = 213,282.22 × 86,566.76
  4. Step 4: Simplify right side
    154,550.38x = 18,463,150,041.27
  5. Step 5: Solve for x
    x = 18,463,150,041.27/154,550.38
  6. Step 6: Final answer
    x = 119,463.64

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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.