Home / 117,311.89-176,011.81-54,162.26

Finding the Fourth Proportional to 117,311.89, 176,011.81 and 54,162.26

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Solution

The fourth proportional to 117,311.89, 176,011.81 and 54,162.26 is: 81,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,311.89 : 176,011.81 = 54,162.26 : x
  2. Step 2: Convert to fraction form
    117,311.89/176,011.81 = 54,162.26/x
  3. Step 3: Cross multiply
    117,311.89x = 176,011.81 × 54,162.26
  4. Step 4: Simplify right side
    117,311.89x = 9,533,197,585.51
  5. Step 5: Solve for x
    x = 9,533,197,585.51/117,311.89
  6. Step 6: Final answer
    x = 81,263.70

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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.