Home / 181,536.74-272,334.27-76,385.78

Finding the Fourth Proportional to 181,536.74, 272,334.27 and 76,385.78

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Solution

The fourth proportional to 181,536.74, 272,334.27 and 76,385.78 is: 114,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,536.74 : 272,334.27 = 76,385.78 : x
  2. Step 2: Convert to fraction form
    181,536.74/272,334.27 = 76,385.78/x
  3. Step 3: Cross multiply
    181,536.74x = 272,334.27 × 76,385.78
  4. Step 4: Simplify right side
    181,536.74x = 20,802,465,634.68
  5. Step 5: Solve for x
    x = 20,802,465,634.68/181,536.74
  6. Step 6: Final answer
    x = 114,590.94

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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.