Home / 237,579.40-356,293.64-77,618.88

Finding the Fourth Proportional to 237,579.40, 356,293.64 and 77,618.88

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Solution

The fourth proportional to 237,579.40, 356,293.64 and 77,618.88 is: 116,403.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,579.40 : 356,293.64 = 77,618.88 : x
  2. Step 2: Convert to fraction form
    237,579.40/356,293.64 = 77,618.88/x
  3. Step 3: Cross multiply
    237,579.40x = 356,293.64 × 77,618.88
  4. Step 4: Simplify right side
    237,579.40x = 27,655,113,287.92
  5. Step 5: Solve for x
    x = 27,655,113,287.92/237,579.40
  6. Step 6: Final answer
    x = 116,403.67

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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.