Home / 113,162.06-169,771.92-53,178.89

Finding the Fourth Proportional to 113,162.06, 169,771.92 and 53,178.89

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Solution

The fourth proportional to 113,162.06, 169,771.92 and 53,178.89 is: 79,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,162.06 : 169,771.92 = 53,178.89 : x
  2. Step 2: Convert to fraction form
    113,162.06/169,771.92 = 53,178.89/x
  3. Step 3: Cross multiply
    113,162.06x = 169,771.92 × 53,178.89
  4. Step 4: Simplify right side
    113,162.06x = 9,028,281,409.91
  5. Step 5: Solve for x
    x = 9,028,281,409.91/113,162.06
  6. Step 6: Final answer
    x = 79,781.88

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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.