Home / 181,662.30-272,215.85-76,423.58

Finding the Fourth Proportional to 181,662.30, 272,215.85 and 76,423.58

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Solution

The fourth proportional to 181,662.30, 272,215.85 and 76,423.58 is: 114,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,662.30 : 272,215.85 = 76,423.58 : x
  2. Step 2: Convert to fraction form
    181,662.30/272,215.85 = 76,423.58/x
  3. Step 3: Cross multiply
    181,662.30x = 272,215.85 × 76,423.58
  4. Step 4: Simplify right side
    181,662.30x = 20,803,709,789.74
  5. Step 5: Solve for x
    x = 20,803,709,789.74/181,662.30
  6. Step 6: Final answer
    x = 114,518.59

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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.