Home / 113,425.62-169,917-83,384.46

Finding the Fourth Proportional to 113,425.62, 169,917 and 83,384.46

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Solution

The fourth proportional to 113,425.62, 169,917 and 83,384.46 is: 124,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,425.62 : 169,917 = 83,384.46 : x
  2. Step 2: Convert to fraction form
    113,425.62/169,917 = 83,384.46/x
  3. Step 3: Cross multiply
    113,425.62x = 169,917 × 83,384.46
  4. Step 4: Simplify right side
    113,425.62x = 14,168,437,289.82
  5. Step 5: Solve for x
    x = 14,168,437,289.82/113,425.62
  6. Step 6: Final answer
    x = 124,913.91

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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.