Home / 158,145.64-218,219.43-94,469.92

Finding the Fourth Proportional to 158,145.64, 218,219.43 and 94,469.92

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Solution

The fourth proportional to 158,145.64, 218,219.43 and 94,469.92 is: 130,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,145.64 : 218,219.43 = 94,469.92 : x
  2. Step 2: Convert to fraction form
    158,145.64/218,219.43 = 94,469.92/x
  3. Step 3: Cross multiply
    158,145.64x = 218,219.43 × 94,469.92
  4. Step 4: Simplify right side
    158,145.64x = 20,615,172,094.55
  5. Step 5: Solve for x
    x = 20,615,172,094.55/158,145.64
  6. Step 6: Final answer
    x = 130,355.61

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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.