Home / 186,272.15-279,455.38-53,152.88

Finding the Fourth Proportional to 186,272.15, 279,455.38 and 53,152.88

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Solution

The fourth proportional to 186,272.15, 279,455.38 and 53,152.88 is: 79,742.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,272.15 : 279,455.38 = 53,152.88 : x
  2. Step 2: Convert to fraction form
    186,272.15/279,455.38 = 53,152.88/x
  3. Step 3: Cross multiply
    186,272.15x = 279,455.38 × 53,152.88
  4. Step 4: Simplify right side
    186,272.15x = 14,853,856,748.34
  5. Step 5: Solve for x
    x = 14,853,856,748.34/186,272.15
  6. Step 6: Final answer
    x = 79,742.77

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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.