Home / 117,332.36-162,052.29-79,541.00

Finding the Fourth Proportional to 117,332.36, 162,052.29 and 79,541.00

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Solution

The fourth proportional to 117,332.36, 162,052.29 and 79,541.00 is: 109,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,332.36 : 162,052.29 = 79,541.00 : x
  2. Step 2: Convert to fraction form
    117,332.36/162,052.29 = 79,541.00/x
  3. Step 3: Cross multiply
    117,332.36x = 162,052.29 × 79,541.00
  4. Step 4: Simplify right side
    117,332.36x = 12,889,800,388.63
  5. Step 5: Solve for x
    x = 12,889,800,388.63/117,332.36
  6. Step 6: Final answer
    x = 109,857.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.