Home / 158,388.14-218,575.64-94,725.95

Finding the Fourth Proportional to 158,388.14, 218,575.64 and 94,725.95

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Solution

The fourth proportional to 158,388.14, 218,575.64 and 94,725.95 is: 130,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,388.14 : 218,575.64 = 94,725.95 : x
  2. Step 2: Convert to fraction form
    158,388.14/218,575.64 = 94,725.95/x
  3. Step 3: Cross multiply
    158,388.14x = 218,575.64 × 94,725.95
  4. Step 4: Simplify right side
    158,388.14x = 20,704,783,579.35
  5. Step 5: Solve for x
    x = 20,704,783,579.35/158,388.14
  6. Step 6: Final answer
    x = 130,721.81

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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.