Home / 186,345.60-279,529.44-53,215.68

Finding the Fourth Proportional to 186,345.60, 279,529.44 and 53,215.68

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Solution

The fourth proportional to 186,345.60, 279,529.44 and 53,215.68 is: 79,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,345.60 : 279,529.44 = 53,215.68 : x
  2. Step 2: Convert to fraction form
    186,345.60/279,529.44 = 53,215.68/x
  3. Step 3: Cross multiply
    186,345.60x = 279,529.44 × 53,215.68
  4. Step 4: Simplify right side
    186,345.60x = 14,875,349,229.62
  5. Step 5: Solve for x
    x = 14,875,349,229.62/186,345.60
  6. Step 6: Final answer
    x = 79,826.67

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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.