Home / 245,232.12-367,649.58-76,665.72

Finding the Fourth Proportional to 245,232.12, 367,649.58 and 76,665.72

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Solution

The fourth proportional to 245,232.12, 367,649.58 and 76,665.72 is: 114,936.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,232.12 : 367,649.58 = 76,665.72 : x
  2. Step 2: Convert to fraction form
    245,232.12/367,649.58 = 76,665.72/x
  3. Step 3: Cross multiply
    245,232.12x = 367,649.58 × 76,665.72
  4. Step 4: Simplify right side
    245,232.12x = 28,186,119,758.40
  5. Step 5: Solve for x
    x = 28,186,119,758.40/245,232.12
  6. Step 6: Final answer
    x = 114,936.49

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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.