Home / 113,168.79-169,790.04-53,996.81

Finding the Fourth Proportional to 113,168.79, 169,790.04 and 53,996.81

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Solution

The fourth proportional to 113,168.79, 169,790.04 and 53,996.81 is: 81,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,168.79 : 169,790.04 = 53,996.81 : x
  2. Step 2: Convert to fraction form
    113,168.79/169,790.04 = 53,996.81/x
  3. Step 3: Cross multiply
    113,168.79x = 169,790.04 × 53,996.81
  4. Step 4: Simplify right side
    113,168.79x = 9,168,119,680.82
  5. Step 5: Solve for x
    x = 9,168,119,680.82/113,168.79
  6. Step 6: Final answer
    x = 81,012.79

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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.