Home / 158,840.64-238,261.04-99,717.82

Finding the Fourth Proportional to 158,840.64, 238,261.04 and 99,717.82

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Solution

The fourth proportional to 158,840.64, 238,261.04 and 99,717.82 is: 149,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,840.64 : 238,261.04 = 99,717.82 : x
  2. Step 2: Convert to fraction form
    158,840.64/238,261.04 = 99,717.82/x
  3. Step 3: Cross multiply
    158,840.64x = 238,261.04 × 99,717.82
  4. Step 4: Simplify right side
    158,840.64x = 23,758,871,499.73
  5. Step 5: Solve for x
    x = 23,758,871,499.73/158,840.64
  6. Step 6: Final answer
    x = 149,576.78

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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.